31580250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 88058880

約数和(自身を除く): 56478630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 41, 50, 65, 75, 78, 79, 82, 123, 125, 130, 150, 158, 195, 205, 237, 246, 250, 325, 375, 390, 395, 410, 474, 533, 615, 650, 750, 790, 975, 1025, 1027, 1066, 1185, 1230, 1599, 1625, 1950, 1975, 2050, 2054, 2370, 2665, 3075, 3081, 3198, 3239, 3250, 3950, 4875, 5125, 5135, 5330, 5925, 6150, 6162, 6478, 7995, 9717, 9750, 9875, 10250, 10270, 11850, 13325, 15375, 15405, 15990, 16195, 19434, 19750, 25675, 26650, 29625, 30750, 30810, 32390, 39975, 42107, 48585, 51350, 59250, 66625, 77025, 79950, 80975, 84214, 97170, 126321, 128375, 133250, 154050, 161950, 199875, 210535, 242925, 252642, 256750, 385125, 399750, 404875, 421070, 485850, 631605, 770250, 809750, 1052675, 1214625, 1263210, 2105350, 2429250, 3158025, 5263375, 6316050, 10526750, 15790125, 31580250]

約数ペア:

[(1, 31580250), (2, 15790125), (3, 10526750), (5, 6316050), (6, 5263375), (10, 3158025), (13, 2429250), (15, 2105350), (25, 1263210), (26, 1214625), (30, 1052675), (39, 809750), (41, 770250), (50, 631605), (65, 485850), (75, 421070), (78, 404875), (79, 399750), (82, 385125), (123, 256750), (125, 252642), (130, 242925), (150, 210535), (158, 199875), (195, 161950), (205, 154050), (237, 133250), (246, 128375), (250, 126321), (325, 97170), (375, 84214), (390, 80975), (395, 79950), (410, 77025), (474, 66625), (533, 59250), (615, 51350), (650, 48585), (750, 42107), (790, 39975), (975, 32390), (1025, 30810), (1027, 30750), (1066, 29625), (1185, 26650), (1230, 25675), (1599, 19750), (1625, 19434), (1950, 16195), (1975, 15990), (2050, 15405), (2054, 15375), (2370, 13325), (2665, 11850), (3075, 10270), (3081, 10250), (3198, 9875), (3239, 9750), (3250, 9717), (3950, 7995), (4875, 6478), (5125, 6162), (5135, 6150), (5330, 5925)]