157048040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 395176320

約数和(自身を除く): 238128280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 43, 68, 82, 85, 86, 131, 136, 164, 170, 172, 205, 215, 262, 328, 340, 344, 410, 430, 524, 655, 680, 697, 731, 820, 860, 1048, 1310, 1394, 1462, 1640, 1720, 1763, 2227, 2620, 2788, 2924, 3485, 3526, 3655, 4454, 5240, 5371, 5576, 5633, 5848, 6970, 7052, 7310, 8815, 8908, 10742, 11135, 11266, 13940, 14104, 14620, 17630, 17816, 21484, 22270, 22532, 26855, 27880, 28165, 29240, 29971, 35260, 42968, 44540, 45064, 53710, 56330, 59942, 70520, 89080, 91307, 95761, 107420, 112660, 119884, 149855, 182614, 191522, 214840, 225320, 230953, 239768, 299710, 365228, 383044, 456535, 461906, 478805, 599420, 730456, 766088, 913070, 923812, 957610, 1154765, 1198840, 1826140, 1847624, 1915220, 2309530, 3652280, 3830440, 3926201, 4619060, 7852402, 9238120, 15704804, 19631005, 31409608, 39262010, 78524020, 157048040]

約数ペア:

[(1, 157048040), (2, 78524020), (4, 39262010), (5, 31409608), (8, 19631005), (10, 15704804), (17, 9238120), (20, 7852402), (34, 4619060), (40, 3926201), (41, 3830440), (43, 3652280), (68, 2309530), (82, 1915220), (85, 1847624), (86, 1826140), (131, 1198840), (136, 1154765), (164, 957610), (170, 923812), (172, 913070), (205, 766088), (215, 730456), (262, 599420), (328, 478805), (340, 461906), (344, 456535), (410, 383044), (430, 365228), (524, 299710), (655, 239768), (680, 230953), (697, 225320), (731, 214840), (820, 191522), (860, 182614), (1048, 149855), (1310, 119884), (1394, 112660), (1462, 107420), (1640, 95761), (1720, 91307), (1763, 89080), (2227, 70520), (2620, 59942), (2788, 56330), (2924, 53710), (3485, 45064), (3526, 44540), (3655, 42968), (4454, 35260), (5240, 29971), (5371, 29240), (5576, 28165), (5633, 27880), (5848, 26855), (6970, 22532), (7052, 22270), (7310, 21484), (8815, 17816), (8908, 17630), (10742, 14620), (11135, 14104), (11266, 13940)]