15887296640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{19531}}^1$

素因数の和:19622

約数の個数: 128

約数和(自身を含む): 40164042240

約数和(自身を除く): 24276745600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 640, 656, 820, 992, 1240, 1271, 1312, 1640, 1984, 2480, 2542, 2624, 3280, 3968, 4960, 5084, 5248, 6355, 6560, 9920, 10168, 12710, 13120, 19531, 19840, 20336, 25420, 26240, 39062, 40672, 50840, 78124, 81344, 97655, 101680, 156248, 162688, 195310, 203360, 312496, 390620, 406720, 605461, 624992, 781240, 800771, 813440, 1210922, 1249984, 1562480, 1601542, 2421844, 2499968, 3027305, 3124960, 3203084, 4003855, 4843688, 6054610, 6249920, 6406168, 8007710, 9687376, 12109220, 12499840, 12812336, 16015420, 19374752, 24218440, 24823901, 25624672, 32030840, 38749504, 48436880, 49647802, 51249344, 64061680, 77499008, 96873760, 99295604, 102498688, 124119505, 128123360, 193747520, 198591208, 248239010, 256246720, 387495040, 397182416, 496478020, 512493440, 794364832, 992956040, 1588729664, 1985912080, 3177459328, 3971824160, 7943648320, 15887296640]

約数ペア:

[(1, 15887296640), (2, 7943648320), (4, 3971824160), (5, 3177459328), (8, 1985912080), (10, 1588729664), (16, 992956040), (20, 794364832), (31, 512493440), (32, 496478020), (40, 397182416), (41, 387495040), (62, 256246720), (64, 248239010), (80, 198591208), (82, 193747520), (124, 128123360), (128, 124119505), (155, 102498688), (160, 99295604), (164, 96873760), (205, 77499008), (248, 64061680), (310, 51249344), (320, 49647802), (328, 48436880), (410, 38749504), (496, 32030840), (620, 25624672), (640, 24823901), (656, 24218440), (820, 19374752), (992, 16015420), (1240, 12812336), (1271, 12499840), (1312, 12109220), (1640, 9687376), (1984, 8007710), (2480, 6406168), (2542, 6249920), (2624, 6054610), (3280, 4843688), (3968, 4003855), (4960, 3203084), (5084, 3124960), (5248, 3027305), (6355, 2499968), (6560, 2421844), (9920, 1601542), (10168, 1562480), (12710, 1249984), (13120, 1210922), (19531, 813440), (19840, 800771), (20336, 781240), (25420, 624992), (26240, 605461), (39062, 406720), (40672, 390620), (50840, 312496), (78124, 203360), (81344, 195310), (97655, 162688), (101680, 156248)]