1980777744

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1554

約数の個数: 180

約数和(自身を含む): 6174604800

約数和(自身を除く): 4193827056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 79, 88, 99, 121, 132, 144, 158, 176, 198, 237, 242, 264, 316, 363, 396, 474, 484, 528, 632, 711, 726, 792, 869, 948, 968, 1089, 1264, 1422, 1439, 1452, 1584, 1738, 1896, 1936, 2178, 2607, 2844, 2878, 2904, 3476, 3792, 4317, 4356, 5214, 5688, 5756, 5808, 6952, 7821, 8634, 8712, 9559, 10428, 11376, 11512, 12951, 13904, 15642, 15829, 17268, 17424, 19118, 20856, 23024, 25902, 28677, 31284, 31658, 34536, 38236, 41712, 47487, 51804, 57354, 62568, 63316, 69072, 76472, 86031, 94974, 103608, 113681, 114708, 125136, 126632, 142461, 152944, 172062, 174119, 189948, 207216, 227362, 229416, 253264, 284922, 341043, 344124, 348238, 379896, 454724, 458832, 522357, 569844, 682086, 688248, 696476, 759792, 909448, 1023129, 1044714, 1139688, 1250491, 1364172, 1376496, 1392952, 1567071, 1818896, 2046258, 2089428, 2279376, 2500982, 2728344, 2785904, 3134142, 3751473, 4092516, 4178856, 5001964, 5456688, 6268284, 7502946, 8185032, 8357712, 10003928, 11254419, 12536568, 13755401, 15005892, 16370064, 20007856, 22508838, 25073136, 27510802, 30011784, 41266203, 45017676, 55021604, 60023568, 82532406, 90035352, 110043208, 123798609, 165064812, 180070704, 220086416, 247597218, 330129624, 495194436, 660259248, 990388872, 1980777744]

約数ペア:

[(1, 1980777744), (2, 990388872), (3, 660259248), (4, 495194436), (6, 330129624), (8, 247597218), (9, 220086416), (11, 180070704), (12, 165064812), (16, 123798609), (18, 110043208), (22, 90035352), (24, 82532406), (33, 60023568), (36, 55021604), (44, 45017676), (48, 41266203), (66, 30011784), (72, 27510802), (79, 25073136), (88, 22508838), (99, 20007856), (121, 16370064), (132, 15005892), (144, 13755401), (158, 12536568), (176, 11254419), (198, 10003928), (237, 8357712), (242, 8185032), (264, 7502946), (316, 6268284), (363, 5456688), (396, 5001964), (474, 4178856), (484, 4092516), (528, 3751473), (632, 3134142), (711, 2785904), (726, 2728344), (792, 2500982), (869, 2279376), (948, 2089428), (968, 2046258), (1089, 1818896), (1264, 1567071), (1422, 1392952), (1439, 1376496), (1452, 1364172), (1584, 1250491), (1738, 1139688), (1896, 1044714), (1936, 1023129), (2178, 909448), (2607, 759792), (2844, 696476), (2878, 688248), (2904, 682086), (3476, 569844), (3792, 522357), (4317, 458832), (4356, 454724), (5214, 379896), (5688, 348238), (5756, 344124), (5808, 341043), (6952, 284922), (7821, 253264), (8634, 229416), (8712, 227362), (9559, 207216), (10428, 189948), (11376, 174119), (11512, 172062), (12951, 152944), (13904, 142461), (15642, 126632), (15829, 125136), (17268, 114708), (17424, 113681), (19118, 103608), (20856, 94974), (23024, 86031), (25902, 76472), (28677, 69072), (31284, 63316), (31658, 62568), (34536, 57354), (38236, 51804), (41712, 47487)]