1944156640

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 4660153344

約数和(自身を除く): 2715996704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 241, 254, 397, 482, 508, 635, 794, 964, 1016, 1205, 1270, 1588, 1928, 1985, 2032, 2410, 2540, 3176, 3856, 3970, 4064, 4820, 5080, 6352, 7712, 7940, 9640, 10160, 12704, 15880, 19280, 20320, 30607, 31760, 38560, 50419, 61214, 63520, 95677, 100838, 122428, 153035, 191354, 201676, 244856, 252095, 306070, 382708, 403352, 478385, 489712, 504190, 612140, 765416, 806704, 956770, 979424, 1008380, 1224280, 1530832, 1613408, 1913540, 2016760, 2448560, 3061664, 3827080, 4033520, 4897120, 7654160, 8067040, 12150979, 15308320, 24301958, 48603916, 60754895, 97207832, 121509790, 194415664, 243019580, 388831328, 486039160, 972078320, 1944156640]

約数ペア:

[(1, 1944156640), (2, 972078320), (4, 486039160), (5, 388831328), (8, 243019580), (10, 194415664), (16, 121509790), (20, 97207832), (32, 60754895), (40, 48603916), (80, 24301958), (127, 15308320), (160, 12150979), (241, 8067040), (254, 7654160), (397, 4897120), (482, 4033520), (508, 3827080), (635, 3061664), (794, 2448560), (964, 2016760), (1016, 1913540), (1205, 1613408), (1270, 1530832), (1588, 1224280), (1928, 1008380), (1985, 979424), (2032, 956770), (2410, 806704), (2540, 765416), (3176, 612140), (3856, 504190), (3970, 489712), (4064, 478385), (4820, 403352), (5080, 382708), (6352, 306070), (7712, 252095), (7940, 244856), (9640, 201676), (10160, 191354), (12704, 153035), (15880, 122428), (19280, 100838), (20320, 95677), (30607, 63520), (31760, 61214), (38560, 50419)]