15290440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 26181560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 59, 62, 76, 88, 95, 110, 118, 124, 152, 155, 190, 209, 220, 236, 248, 295, 310, 341, 380, 418, 440, 472, 589, 590, 620, 649, 682, 760, 836, 1045, 1121, 1178, 1180, 1240, 1298, 1364, 1672, 1705, 1829, 2090, 2242, 2356, 2360, 2596, 2728, 2945, 3245, 3410, 3658, 4180, 4484, 4712, 5192, 5605, 5890, 6479, 6490, 6820, 7316, 8360, 8968, 9145, 11210, 11780, 12331, 12958, 12980, 13640, 14632, 18290, 20119, 22420, 23560, 24662, 25916, 25960, 32395, 34751, 36580, 40238, 44840, 49324, 51832, 61655, 64790, 69502, 73160, 80476, 98648, 100595, 123310, 129580, 139004, 160952, 173755, 201190, 246620, 259160, 278008, 347510, 382261, 402380, 493240, 695020, 764522, 804760, 1390040, 1529044, 1911305, 3058088, 3822610, 7645220, 15290440]

約数ペア:

[(1, 15290440), (2, 7645220), (4, 3822610), (5, 3058088), (8, 1911305), (10, 1529044), (11, 1390040), (19, 804760), (20, 764522), (22, 695020), (31, 493240), (38, 402380), (40, 382261), (44, 347510), (55, 278008), (59, 259160), (62, 246620), (76, 201190), (88, 173755), (95, 160952), (110, 139004), (118, 129580), (124, 123310), (152, 100595), (155, 98648), (190, 80476), (209, 73160), (220, 69502), (236, 64790), (248, 61655), (295, 51832), (310, 49324), (341, 44840), (380, 40238), (418, 36580), (440, 34751), (472, 32395), (589, 25960), (590, 25916), (620, 24662), (649, 23560), (682, 22420), (760, 20119), (836, 18290), (1045, 14632), (1121, 13640), (1178, 12980), (1180, 12958), (1240, 12331), (1298, 11780), (1364, 11210), (1672, 9145), (1705, 8968), (1829, 8360), (2090, 7316), (2242, 6820), (2356, 6490), (2360, 6479), (2596, 5890), (2728, 5605), (2945, 5192), (3245, 4712), (3410, 4484), (3658, 4180)]