25431780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 81510912

約数和(自身を除く): 56079132

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 113, 121, 124, 132, 155, 165, 186, 220, 226, 242, 310, 330, 339, 341, 363, 372, 452, 465, 484, 565, 605, 620, 660, 678, 682, 726, 930, 1023, 1130, 1210, 1243, 1356, 1364, 1452, 1695, 1705, 1815, 1860, 2046, 2260, 2420, 2486, 3390, 3410, 3503, 3630, 3729, 3751, 4092, 4972, 5115, 6215, 6780, 6820, 7006, 7260, 7458, 7502, 10230, 10509, 11253, 12430, 13673, 14012, 14916, 15004, 17515, 18645, 18755, 20460, 21018, 22506, 24860, 27346, 35030, 37290, 37510, 38533, 41019, 42036, 45012, 52545, 54692, 56265, 68365, 70060, 74580, 75020, 77066, 82038, 105090, 112530, 115599, 136730, 154132, 164076, 192665, 205095, 210180, 225060, 231198, 273460, 385330, 410190, 423863, 462396, 577995, 770660, 820380, 847726, 1155990, 1271589, 1695452, 2119315, 2311980, 2543178, 4238630, 5086356, 6357945, 8477260, 12715890, 25431780]

約数ペア:

[(1, 25431780), (2, 12715890), (3, 8477260), (4, 6357945), (5, 5086356), (6, 4238630), (10, 2543178), (11, 2311980), (12, 2119315), (15, 1695452), (20, 1271589), (22, 1155990), (30, 847726), (31, 820380), (33, 770660), (44, 577995), (55, 462396), (60, 423863), (62, 410190), (66, 385330), (93, 273460), (110, 231198), (113, 225060), (121, 210180), (124, 205095), (132, 192665), (155, 164076), (165, 154132), (186, 136730), (220, 115599), (226, 112530), (242, 105090), (310, 82038), (330, 77066), (339, 75020), (341, 74580), (363, 70060), (372, 68365), (452, 56265), (465, 54692), (484, 52545), (565, 45012), (605, 42036), (620, 41019), (660, 38533), (678, 37510), (682, 37290), (726, 35030), (930, 27346), (1023, 24860), (1130, 22506), (1210, 21018), (1243, 20460), (1356, 18755), (1364, 18645), (1452, 17515), (1695, 15004), (1705, 14916), (1815, 14012), (1860, 13673), (2046, 12430), (2260, 11253), (2420, 10509), (2486, 10230), (3390, 7502), (3410, 7458), (3503, 7260), (3630, 7006), (3729, 6820), (3751, 6780), (4092, 6215), (4972, 5115)]