1386488280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1225

約数の個数: 128

約数和(自身を含む): 4242585600

約数和(自身を除く): 2856097320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 131, 178, 262, 267, 356, 393, 445, 524, 534, 655, 712, 786, 890, 991, 1048, 1068, 1310, 1335, 1572, 1780, 1965, 1982, 2136, 2620, 2670, 2973, 3144, 3560, 3930, 3964, 4955, 5240, 5340, 5946, 7860, 7928, 9910, 10680, 11659, 11892, 14865, 15720, 19820, 23318, 23784, 29730, 34977, 39640, 46636, 58295, 59460, 69954, 88199, 93272, 116590, 118920, 129821, 139908, 174885, 176398, 233180, 259642, 264597, 279816, 349770, 352796, 389463, 440995, 466360, 519284, 529194, 649105, 699540, 705592, 778926, 881990, 1038568, 1058388, 1298210, 1322985, 1399080, 1557852, 1763980, 1947315, 2116776, 2596420, 2645970, 3115704, 3527960, 3894630, 5192840, 5291940, 7789260, 10583880, 11554069, 15578520, 23108138, 34662207, 46216276, 57770345, 69324414, 92432552, 115540690, 138648828, 173311035, 231081380, 277297656, 346622070, 462162760, 693244140, 1386488280]

約数ペア:

[(1, 1386488280), (2, 693244140), (3, 462162760), (4, 346622070), (5, 277297656), (6, 231081380), (8, 173311035), (10, 138648828), (12, 115540690), (15, 92432552), (20, 69324414), (24, 57770345), (30, 46216276), (40, 34662207), (60, 23108138), (89, 15578520), (120, 11554069), (131, 10583880), (178, 7789260), (262, 5291940), (267, 5192840), (356, 3894630), (393, 3527960), (445, 3115704), (524, 2645970), (534, 2596420), (655, 2116776), (712, 1947315), (786, 1763980), (890, 1557852), (991, 1399080), (1048, 1322985), (1068, 1298210), (1310, 1058388), (1335, 1038568), (1572, 881990), (1780, 778926), (1965, 705592), (1982, 699540), (2136, 649105), (2620, 529194), (2670, 519284), (2973, 466360), (3144, 440995), (3560, 389463), (3930, 352796), (3964, 349770), (4955, 279816), (5240, 264597), (5340, 259642), (5946, 233180), (7860, 176398), (7928, 174885), (9910, 139908), (10680, 129821), (11659, 118920), (11892, 116590), (14865, 93272), (15720, 88199), (19820, 69954), (23318, 59460), (23784, 58295), (29730, 46636), (34977, 39640)]