201478920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1407

約数の個数: 128

約数和(自身を含む): 639636480

約数和(自身を除く): 438157560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1321, 1640, 1860, 2460, 2542, 2642, 3720, 3813, 3963, 4920, 5084, 5284, 6355, 6605, 7626, 7926, 10168, 10568, 12710, 13210, 15252, 15852, 19065, 19815, 25420, 26420, 30504, 31704, 38130, 39630, 40951, 50840, 52840, 54161, 76260, 79260, 81902, 108322, 122853, 152520, 158520, 162483, 163804, 204755, 216644, 245706, 270805, 324966, 327608, 409510, 433288, 491412, 541610, 614265, 649932, 812415, 819020, 982824, 1083220, 1228530, 1299864, 1624830, 1638040, 1678991, 2166440, 2457060, 3249660, 3357982, 4914120, 5036973, 6499320, 6715964, 8394955, 10073946, 13431928, 16789910, 20147892, 25184865, 33579820, 40295784, 50369730, 67159640, 100739460, 201478920]

約数ペア:

[(1, 201478920), (2, 100739460), (3, 67159640), (4, 50369730), (5, 40295784), (6, 33579820), (8, 25184865), (10, 20147892), (12, 16789910), (15, 13431928), (20, 10073946), (24, 8394955), (30, 6715964), (31, 6499320), (40, 5036973), (41, 4914120), (60, 3357982), (62, 3249660), (82, 2457060), (93, 2166440), (120, 1678991), (123, 1638040), (124, 1624830), (155, 1299864), (164, 1228530), (186, 1083220), (205, 982824), (246, 819020), (248, 812415), (310, 649932), (328, 614265), (372, 541610), (410, 491412), (465, 433288), (492, 409510), (615, 327608), (620, 324966), (744, 270805), (820, 245706), (930, 216644), (984, 204755), (1230, 163804), (1240, 162483), (1271, 158520), (1321, 152520), (1640, 122853), (1860, 108322), (2460, 81902), (2542, 79260), (2642, 76260), (3720, 54161), (3813, 52840), (3963, 50840), (4920, 40951), (5084, 39630), (5284, 38130), (6355, 31704), (6605, 30504), (7626, 26420), (7926, 25420), (10168, 19815), (10568, 19065), (12710, 15852), (13210, 15252)]