313630875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 645974784

約数和(自身を除く): 332343909

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 31, 45, 51, 69, 75, 85, 93, 115, 125, 153, 155, 207, 225, 255, 279, 345, 375, 391, 425, 465, 527, 529, 575, 713, 765, 775, 1035, 1125, 1173, 1275, 1395, 1581, 1587, 1725, 1955, 2125, 2139, 2325, 2635, 2645, 2875, 3519, 3565, 3825, 3875, 4743, 4761, 5175, 5865, 6375, 6417, 6975, 7905, 7935, 8625, 8993, 9775, 10695, 11625, 12121, 13175, 13225, 16399, 17595, 17825, 19125, 23715, 23805, 25875, 26979, 29325, 32085, 34875, 36363, 39525, 39675, 44965, 48875, 49197, 53475, 60605, 65875, 66125, 80937, 81995, 87975, 89125, 109089, 118575, 119025, 134895, 146625, 147591, 160425, 181815, 197625, 198375, 224825, 245985, 267375, 278783, 303025, 404685, 409975, 439875, 545445, 592875, 595125, 674475, 737955, 802125, 836349, 909075, 1124125, 1229925, 1393915, 1515125, 2023425, 2049875, 2509047, 2727225, 3372375, 3689775, 4181745, 4545375, 6149625, 6969575, 10117125, 12545235, 13636125, 18448875, 20908725, 34847875, 62726175, 104543625, 313630875]

約数ペア:

[(1, 313630875), (3, 104543625), (5, 62726175), (9, 34847875), (15, 20908725), (17, 18448875), (23, 13636125), (25, 12545235), (31, 10117125), (45, 6969575), (51, 6149625), (69, 4545375), (75, 4181745), (85, 3689775), (93, 3372375), (115, 2727225), (125, 2509047), (153, 2049875), (155, 2023425), (207, 1515125), (225, 1393915), (255, 1229925), (279, 1124125), (345, 909075), (375, 836349), (391, 802125), (425, 737955), (465, 674475), (527, 595125), (529, 592875), (575, 545445), (713, 439875), (765, 409975), (775, 404685), (1035, 303025), (1125, 278783), (1173, 267375), (1275, 245985), (1395, 224825), (1581, 198375), (1587, 197625), (1725, 181815), (1955, 160425), (2125, 147591), (2139, 146625), (2325, 134895), (2635, 119025), (2645, 118575), (2875, 109089), (3519, 89125), (3565, 87975), (3825, 81995), (3875, 80937), (4743, 66125), (4761, 65875), (5175, 60605), (5865, 53475), (6375, 49197), (6417, 48875), (6975, 44965), (7905, 39675), (7935, 39525), (8625, 36363), (8993, 34875), (9775, 32085), (10695, 29325), (11625, 26979), (12121, 25875), (13175, 23805), (13225, 23715), (16399, 19125), (17595, 17825)]