75019980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 275788800

約数和(自身を除く): 200768820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 49, 51, 57, 60, 68, 70, 76, 79, 84, 85, 95, 98, 102, 105, 114, 119, 133, 140, 147, 158, 170, 190, 196, 204, 210, 228, 237, 238, 245, 255, 266, 285, 294, 316, 323, 340, 357, 380, 395, 399, 420, 474, 476, 490, 510, 532, 553, 570, 588, 595, 646, 665, 714, 735, 790, 798, 833, 931, 948, 969, 980, 1020, 1106, 1140, 1185, 1190, 1292, 1330, 1343, 1428, 1470, 1501, 1580, 1596, 1615, 1659, 1666, 1785, 1862, 1938, 1995, 2212, 2261, 2370, 2380, 2499, 2660, 2686, 2765, 2793, 2940, 3002, 3230, 3318, 3332, 3570, 3724, 3871, 3876, 3990, 4029, 4165, 4503, 4522, 4655, 4740, 4845, 4998, 5372, 5530, 5586, 6004, 6460, 6636, 6715, 6783, 7140, 7505, 7742, 7980, 8058, 8295, 8330, 9006, 9044, 9310, 9401, 9690, 9996, 10507, 11060, 11172, 11305, 11613, 12495, 13430, 13566, 13965, 15010, 15484, 15827, 16116, 16590, 16660, 18012, 18620, 18802, 19355, 19380, 20145, 21014, 22515, 22610, 23226, 24990, 25517, 26860, 27132, 27930, 28203, 30020, 31521, 31654, 33180, 33915, 37604, 38710, 40290, 42028, 45030, 45220, 46452, 47005, 47481, 49980, 51034, 52535, 55860, 56406, 58065, 63042, 63308, 65807, 67830, 73549, 76551, 77420, 79135, 80580, 90060, 94010, 94962, 102068, 105070, 112812, 116130, 126084, 127585, 131614, 135660, 141015, 147098, 153102, 157605, 158270, 178619, 188020, 189924, 197421, 210140, 220647, 232260, 237405, 255170, 263228, 282030, 294196, 306204, 315210, 316540, 329035, 357238, 367745, 382755, 394842, 441294, 474810, 510340, 535857, 564060, 630420, 658070, 714476, 735490, 765510, 789684, 882588, 893095, 949620, 987105, 1071714, 1103235, 1250333, 1316140, 1470980, 1531020, 1786190, 1974210, 2143428, 2206470, 2500666, 2679285, 3572380, 3750999, 3948420, 4412940, 5001332, 5358570, 6251665, 7501998, 10717140, 12503330, 15003996, 18754995, 25006660, 37509990, 75019980]

約数ペア:

[(1, 75019980), (2, 37509990), (3, 25006660), (4, 18754995), (5, 15003996), (6, 12503330), (7, 10717140), (10, 7501998), (12, 6251665), (14, 5358570), (15, 5001332), (17, 4412940), (19, 3948420), (20, 3750999), (21, 3572380), (28, 2679285), (30, 2500666), (34, 2206470), (35, 2143428), (38, 1974210), (42, 1786190), (49, 1531020), (51, 1470980), (57, 1316140), (60, 1250333), (68, 1103235), (70, 1071714), (76, 987105), (79, 949620), (84, 893095), (85, 882588), (95, 789684), (98, 765510), (102, 735490), (105, 714476), (114, 658070), (119, 630420), (133, 564060), (140, 535857), (147, 510340), (158, 474810), (170, 441294), (190, 394842), (196, 382755), (204, 367745), (210, 357238), (228, 329035), (237, 316540), (238, 315210), (245, 306204), (255, 294196), (266, 282030), (285, 263228), (294, 255170), (316, 237405), (323, 232260), (340, 220647), (357, 210140), (380, 197421), (395, 189924), (399, 188020), (420, 178619), (474, 158270), (476, 157605), (490, 153102), (510, 147098), (532, 141015), (553, 135660), (570, 131614), (588, 127585), (595, 126084), (646, 116130), (665, 112812), (714, 105070), (735, 102068), (790, 94962), (798, 94010), (833, 90060), (931, 80580), (948, 79135), (969, 77420), (980, 76551), (1020, 73549), (1106, 67830), (1140, 65807), (1185, 63308), (1190, 63042), (1292, 58065), (1330, 56406), (1343, 55860), (1428, 52535), (1470, 51034), (1501, 49980), (1580, 47481), (1596, 47005), (1615, 46452), (1659, 45220), (1666, 45030), (1785, 42028), (1862, 40290), (1938, 38710), (1995, 37604), (2212, 33915), (2261, 33180), (2370, 31654), (2380, 31521), (2499, 30020), (2660, 28203), (2686, 27930), (2765, 27132), (2793, 26860), (2940, 25517), (3002, 24990), (3230, 23226), (3318, 22610), (3332, 22515), (3570, 21014), (3724, 20145), (3871, 19380), (3876, 19355), (3990, 18802), (4029, 18620), (4165, 18012), (4503, 16660), (4522, 16590), (4655, 16116), (4740, 15827), (4845, 15484), (4998, 15010), (5372, 13965), (5530, 13566), (5586, 13430), (6004, 12495), (6460, 11613), (6636, 11305), (6715, 11172), (6783, 11060), (7140, 10507), (7505, 9996), (7742, 9690), (7980, 9401), (8058, 9310), (8295, 9044), (8330, 9006)]