128889540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 216

約数和(自身を含む): 447632640

約数和(自身を除く): 318743100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 169, 171, 180, 190, 195, 223, 228, 234, 247, 260, 285, 338, 342, 380, 390, 446, 468, 494, 507, 570, 585, 669, 676, 684, 741, 780, 845, 855, 892, 988, 1014, 1115, 1140, 1170, 1235, 1338, 1482, 1521, 1690, 1710, 2007, 2028, 2223, 2230, 2340, 2470, 2535, 2676, 2899, 2964, 3042, 3211, 3345, 3380, 3420, 3705, 4014, 4237, 4446, 4460, 4940, 5070, 5798, 6084, 6422, 6690, 7410, 7605, 8028, 8474, 8697, 8892, 9633, 10035, 10140, 11115, 11596, 12711, 12844, 13380, 14495, 14820, 15210, 16055, 16948, 17394, 19266, 20070, 21185, 22230, 25422, 26091, 28899, 28990, 30420, 32110, 34788, 37687, 38133, 38532, 40140, 42370, 43485, 44460, 48165, 50844, 52182, 55081, 57798, 57980, 63555, 64220, 75374, 76266, 84740, 86970, 96330, 104364, 110162, 113061, 115596, 127110, 130455, 144495, 150748, 152532, 165243, 173940, 188435, 190665, 192660, 220324, 226122, 254220, 260910, 275405, 288990, 330486, 339183, 376870, 381330, 452244, 495729, 521820, 550810, 565305, 577980, 660972, 678366, 716053, 753740, 762660, 826215, 991458, 1101620, 1130610, 1356732, 1432106, 1652430, 1695915, 1982916, 2148159, 2261220, 2478645, 2864212, 3304860, 3391830, 3580265, 4296318, 4957290, 6444477, 6783660, 7160530, 8592636, 9914580, 10740795, 12888954, 14321060, 21481590, 25777908, 32222385, 42963180, 64444770, 128889540]

約数ペア:

[(1, 128889540), (2, 64444770), (3, 42963180), (4, 32222385), (5, 25777908), (6, 21481590), (9, 14321060), (10, 12888954), (12, 10740795), (13, 9914580), (15, 8592636), (18, 7160530), (19, 6783660), (20, 6444477), (26, 4957290), (30, 4296318), (36, 3580265), (38, 3391830), (39, 3304860), (45, 2864212), (52, 2478645), (57, 2261220), (60, 2148159), (65, 1982916), (76, 1695915), (78, 1652430), (90, 1432106), (95, 1356732), (114, 1130610), (117, 1101620), (130, 991458), (156, 826215), (169, 762660), (171, 753740), (180, 716053), (190, 678366), (195, 660972), (223, 577980), (228, 565305), (234, 550810), (247, 521820), (260, 495729), (285, 452244), (338, 381330), (342, 376870), (380, 339183), (390, 330486), (446, 288990), (468, 275405), (494, 260910), (507, 254220), (570, 226122), (585, 220324), (669, 192660), (676, 190665), (684, 188435), (741, 173940), (780, 165243), (845, 152532), (855, 150748), (892, 144495), (988, 130455), (1014, 127110), (1115, 115596), (1140, 113061), (1170, 110162), (1235, 104364), (1338, 96330), (1482, 86970), (1521, 84740), (1690, 76266), (1710, 75374), (2007, 64220), (2028, 63555), (2223, 57980), (2230, 57798), (2340, 55081), (2470, 52182), (2535, 50844), (2676, 48165), (2899, 44460), (2964, 43485), (3042, 42370), (3211, 40140), (3345, 38532), (3380, 38133), (3420, 37687), (3705, 34788), (4014, 32110), (4237, 30420), (4446, 28990), (4460, 28899), (4940, 26091), (5070, 25422), (5798, 22230), (6084, 21185), (6422, 20070), (6690, 19266), (7410, 17394), (7605, 16948), (8028, 16055), (8474, 15210), (8697, 14820), (8892, 14495), (9633, 13380), (10035, 12844), (10140, 12711), (11115, 11596)]