405152020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 1112702976

約数和(自身を除く): 707550956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 43, 52, 62, 65, 70, 86, 91, 124, 130, 140, 155, 167, 172, 182, 215, 217, 260, 301, 310, 334, 364, 403, 430, 434, 455, 559, 602, 620, 668, 806, 835, 860, 868, 910, 1085, 1118, 1169, 1204, 1333, 1505, 1612, 1670, 1820, 2015, 2170, 2171, 2236, 2338, 2666, 2795, 2821, 3010, 3340, 3913, 4030, 4340, 4342, 4676, 5177, 5332, 5590, 5642, 5845, 6020, 6665, 7181, 7826, 8060, 8684, 9331, 10354, 10855, 11180, 11284, 11690, 13330, 14105, 14362, 15197, 15652, 17329, 18662, 19565, 20708, 21710, 23380, 25885, 26660, 28210, 28724, 30394, 34658, 35905, 36239, 37324, 39130, 43420, 46655, 50267, 51770, 56420, 60788, 67301, 69316, 71810, 72478, 75985, 78260, 86645, 93310, 93353, 100534, 103540, 121303, 134602, 143620, 144956, 151970, 173290, 181195, 186620, 186706, 201068, 222611, 242606, 251335, 269204, 303940, 336505, 346580, 362390, 373412, 445222, 466765, 471107, 485212, 502670, 606515, 653471, 673010, 724780, 890444, 933530, 942214, 1005340, 1113055, 1213030, 1306942, 1346020, 1558277, 1867060, 1884428, 2226110, 2355535, 2426060, 2613884, 2893943, 3116554, 3267355, 4452220, 4711070, 5787886, 6233108, 6534710, 7791385, 9422140, 11575772, 13069420, 14469715, 15582770, 20257601, 28939430, 31165540, 40515202, 57878860, 81030404, 101288005, 202576010, 405152020]

約数ペア:

[(1, 405152020), (2, 202576010), (4, 101288005), (5, 81030404), (7, 57878860), (10, 40515202), (13, 31165540), (14, 28939430), (20, 20257601), (26, 15582770), (28, 14469715), (31, 13069420), (35, 11575772), (43, 9422140), (52, 7791385), (62, 6534710), (65, 6233108), (70, 5787886), (86, 4711070), (91, 4452220), (124, 3267355), (130, 3116554), (140, 2893943), (155, 2613884), (167, 2426060), (172, 2355535), (182, 2226110), (215, 1884428), (217, 1867060), (260, 1558277), (301, 1346020), (310, 1306942), (334, 1213030), (364, 1113055), (403, 1005340), (430, 942214), (434, 933530), (455, 890444), (559, 724780), (602, 673010), (620, 653471), (668, 606515), (806, 502670), (835, 485212), (860, 471107), (868, 466765), (910, 445222), (1085, 373412), (1118, 362390), (1169, 346580), (1204, 336505), (1333, 303940), (1505, 269204), (1612, 251335), (1670, 242606), (1820, 222611), (2015, 201068), (2170, 186706), (2171, 186620), (2236, 181195), (2338, 173290), (2666, 151970), (2795, 144956), (2821, 143620), (3010, 134602), (3340, 121303), (3913, 103540), (4030, 100534), (4340, 93353), (4342, 93310), (4676, 86645), (5177, 78260), (5332, 75985), (5590, 72478), (5642, 71810), (5845, 69316), (6020, 67301), (6665, 60788), (7181, 56420), (7826, 51770), (8060, 50267), (8684, 46655), (9331, 43420), (10354, 39130), (10855, 37324), (11180, 36239), (11284, 35905), (11690, 34658), (13330, 30394), (14105, 28724), (14362, 28210), (15197, 26660), (15652, 25885), (17329, 23380), (18662, 21710), (19565, 20708)]