178236840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2203

約数の個数: 128

約数和(自身を含む): 580245120

約数和(自身を除く): 402008280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 984, 1020, 1230, 1394, 1640, 2040, 2091, 2131, 2460, 2788, 3485, 4182, 4262, 4920, 5576, 6393, 6970, 8364, 8524, 10455, 10655, 12786, 13940, 16728, 17048, 20910, 21310, 25572, 27880, 31965, 36227, 41820, 42620, 51144, 63930, 72454, 83640, 85240, 87371, 108681, 127860, 144908, 174742, 181135, 217362, 255720, 262113, 289816, 349484, 362270, 434724, 436855, 524226, 543405, 698968, 724540, 869448, 873710, 1048452, 1086810, 1310565, 1449080, 1485307, 1747420, 2096904, 2173620, 2621130, 2970614, 3494840, 4347240, 4455921, 5242260, 5941228, 7426535, 8911842, 10484520, 11882456, 14853070, 17823684, 22279605, 29706140, 35647368, 44559210, 59412280, 89118420, 178236840]

約数ペア:

[(1, 178236840), (2, 89118420), (3, 59412280), (4, 44559210), (5, 35647368), (6, 29706140), (8, 22279605), (10, 17823684), (12, 14853070), (15, 11882456), (17, 10484520), (20, 8911842), (24, 7426535), (30, 5941228), (34, 5242260), (40, 4455921), (41, 4347240), (51, 3494840), (60, 2970614), (68, 2621130), (82, 2173620), (85, 2096904), (102, 1747420), (120, 1485307), (123, 1449080), (136, 1310565), (164, 1086810), (170, 1048452), (204, 873710), (205, 869448), (246, 724540), (255, 698968), (328, 543405), (340, 524226), (408, 436855), (410, 434724), (492, 362270), (510, 349484), (615, 289816), (680, 262113), (697, 255720), (820, 217362), (984, 181135), (1020, 174742), (1230, 144908), (1394, 127860), (1640, 108681), (2040, 87371), (2091, 85240), (2131, 83640), (2460, 72454), (2788, 63930), (3485, 51144), (4182, 42620), (4262, 41820), (4920, 36227), (5576, 31965), (6393, 27880), (6970, 25572), (8364, 21310), (8524, 20910), (10455, 17048), (10655, 16728), (12786, 13940)]