15019444750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 30623598720

約数和(自身を除く): 15604153970

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 125, 131, 170, 250, 262, 265, 425, 509, 530, 655, 850, 901, 1018, 1310, 1325, 1802, 2125, 2227, 2545, 2650, 3275, 4250, 4454, 4505, 5090, 6550, 6625, 6943, 8653, 9010, 11135, 12725, 13250, 13886, 16375, 17306, 22270, 22525, 25450, 26977, 32750, 34715, 43265, 45050, 53954, 55675, 63625, 66679, 69430, 86530, 111350, 112625, 118031, 127250, 133358, 134885, 173575, 216325, 225250, 236062, 269770, 278375, 333395, 347150, 432650, 458609, 556750, 590155, 666790, 674425, 867875, 917218, 1081625, 1133543, 1180310, 1348850, 1666975, 1735750, 2163250, 2267086, 2293045, 2950775, 3333950, 3372125, 3533987, 4586090, 5667715, 5901550, 6744250, 7067974, 8334875, 11335430, 11465225, 14753875, 16669750, 17669935, 22930450, 28338575, 29507750, 35339870, 56677150, 57326125, 60077779, 88349675, 114652250, 120155558, 141692875, 176699350, 283385750, 300388895, 441748375, 600777790, 883496750, 1501944475, 3003888950, 7509722375, 15019444750]

約数ペア:

[(1, 15019444750), (2, 7509722375), (5, 3003888950), (10, 1501944475), (17, 883496750), (25, 600777790), (34, 441748375), (50, 300388895), (53, 283385750), (85, 176699350), (106, 141692875), (125, 120155558), (131, 114652250), (170, 88349675), (250, 60077779), (262, 57326125), (265, 56677150), (425, 35339870), (509, 29507750), (530, 28338575), (655, 22930450), (850, 17669935), (901, 16669750), (1018, 14753875), (1310, 11465225), (1325, 11335430), (1802, 8334875), (2125, 7067974), (2227, 6744250), (2545, 5901550), (2650, 5667715), (3275, 4586090), (4250, 3533987), (4454, 3372125), (4505, 3333950), (5090, 2950775), (6550, 2293045), (6625, 2267086), (6943, 2163250), (8653, 1735750), (9010, 1666975), (11135, 1348850), (12725, 1180310), (13250, 1133543), (13886, 1081625), (16375, 917218), (17306, 867875), (22270, 674425), (22525, 666790), (25450, 590155), (26977, 556750), (32750, 458609), (34715, 432650), (43265, 347150), (45050, 333395), (53954, 278375), (55675, 269770), (63625, 236062), (66679, 225250), (69430, 216325), (86530, 173575), (111350, 134885), (112625, 133358), (118031, 127250)]