1215777780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 288

約数和(自身を含む): 4500437760

約数和(自身を除く): 3284659980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 211, 238, 252, 255, 269, 306, 315, 340, 357, 420, 422, 476, 510, 538, 595, 612, 630, 633, 714, 765, 807, 844, 1020, 1055, 1071, 1076, 1190, 1260, 1266, 1345, 1428, 1477, 1530, 1614, 1785, 1883, 1899, 2110, 2142, 2380, 2421, 2532, 2690, 2954, 3060, 3165, 3228, 3570, 3587, 3766, 3798, 4035, 4220, 4284, 4431, 4573, 4842, 5355, 5380, 5649, 5908, 6330, 7140, 7174, 7385, 7532, 7596, 8070, 8862, 9146, 9415, 9495, 9684, 10710, 10761, 11298, 12105, 12660, 13293, 13719, 14348, 14770, 16140, 16947, 17724, 17935, 18292, 18830, 18990, 21420, 21522, 22155, 22596, 22865, 24210, 25109, 26586, 27438, 28245, 29540, 32011, 32283, 33894, 35870, 37660, 37980, 41157, 43044, 44310, 45730, 48420, 50218, 53172, 53805, 54876, 56490, 56759, 64022, 64566, 66465, 67788, 68595, 71740, 75327, 82314, 84735, 88620, 91460, 96033, 100436, 107610, 112980, 113518, 125545, 128044, 129132, 132930, 137190, 150654, 160055, 161415, 164628, 169470, 170277, 192066, 205785, 215220, 225981, 227036, 251090, 265860, 274380, 283795, 288099, 301308, 320110, 322830, 338940, 340554, 376635, 384132, 397313, 411570, 451962, 480165, 502180, 510831, 567590, 576198, 640220, 645660, 681108, 753270, 794626, 823140, 851385, 903924, 960330, 964903, 1021662, 1129905, 1135180, 1152396, 1191939, 1440495, 1506540, 1589252, 1702770, 1920660, 1929806, 1986565, 2043324, 2259810, 2383878, 2554155, 2880990, 2894709, 3405540, 3575817, 3859612, 3973130, 4519620, 4767756, 4824515, 5108310, 5761980, 5789418, 5959695, 6754321, 7151634, 7946260, 8684127, 9649030, 10216620, 11578836, 11919390, 13508642, 14303268, 14473545, 17368254, 17879085, 19298060, 20262963, 23838780, 27017284, 28947090, 33771605, 34736508, 35758170, 40525926, 43420635, 57894180, 60788889, 67543210, 71516340, 81051852, 86841270, 101314815, 121577778, 135086420, 173682540, 202629630, 243155556, 303944445, 405259260, 607888890, 1215777780]

約数ペア:

[(1, 1215777780), (2, 607888890), (3, 405259260), (4, 303944445), (5, 243155556), (6, 202629630), (7, 173682540), (9, 135086420), (10, 121577778), (12, 101314815), (14, 86841270), (15, 81051852), (17, 71516340), (18, 67543210), (20, 60788889), (21, 57894180), (28, 43420635), (30, 40525926), (34, 35758170), (35, 34736508), (36, 33771605), (42, 28947090), (45, 27017284), (51, 23838780), (60, 20262963), (63, 19298060), (68, 17879085), (70, 17368254), (84, 14473545), (85, 14303268), (90, 13508642), (102, 11919390), (105, 11578836), (119, 10216620), (126, 9649030), (140, 8684127), (153, 7946260), (170, 7151634), (180, 6754321), (204, 5959695), (210, 5789418), (211, 5761980), (238, 5108310), (252, 4824515), (255, 4767756), (269, 4519620), (306, 3973130), (315, 3859612), (340, 3575817), (357, 3405540), (420, 2894709), (422, 2880990), (476, 2554155), (510, 2383878), (538, 2259810), (595, 2043324), (612, 1986565), (630, 1929806), (633, 1920660), (714, 1702770), (765, 1589252), (807, 1506540), (844, 1440495), (1020, 1191939), (1055, 1152396), (1071, 1135180), (1076, 1129905), (1190, 1021662), (1260, 964903), (1266, 960330), (1345, 903924), (1428, 851385), (1477, 823140), (1530, 794626), (1614, 753270), (1785, 681108), (1883, 645660), (1899, 640220), (2110, 576198), (2142, 567590), (2380, 510831), (2421, 502180), (2532, 480165), (2690, 451962), (2954, 411570), (3060, 397313), (3165, 384132), (3228, 376635), (3570, 340554), (3587, 338940), (3766, 322830), (3798, 320110), (4035, 301308), (4220, 288099), (4284, 283795), (4431, 274380), (4573, 265860), (4842, 251090), (5355, 227036), (5380, 225981), (5649, 215220), (5908, 205785), (6330, 192066), (7140, 170277), (7174, 169470), (7385, 164628), (7532, 161415), (7596, 160055), (8070, 150654), (8862, 137190), (9146, 132930), (9415, 129132), (9495, 128044), (9684, 125545), (10710, 113518), (10761, 112980), (11298, 107610), (12105, 100436), (12660, 96033), (13293, 91460), (13719, 88620), (14348, 84735), (14770, 82314), (16140, 75327), (16947, 71740), (17724, 68595), (17935, 67788), (18292, 66465), (18830, 64566), (18990, 64022), (21420, 56759), (21522, 56490), (22155, 54876), (22596, 53805), (22865, 53172), (24210, 50218), (25109, 48420), (26586, 45730), (27438, 44310), (28245, 43044), (29540, 41157), (32011, 37980), (32283, 37660), (33894, 35870)]