15478120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 41553000

約数和(自身を除く): 26074880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 149, 196, 212, 245, 265, 280, 298, 371, 392, 424, 490, 530, 596, 742, 745, 980, 1043, 1060, 1192, 1484, 1490, 1855, 1960, 2086, 2120, 2597, 2968, 2980, 3710, 4172, 5194, 5215, 5960, 7301, 7420, 7897, 8344, 10388, 10430, 12985, 14602, 14840, 15794, 20776, 20860, 25970, 29204, 31588, 36505, 39485, 41720, 51940, 55279, 58408, 63176, 73010, 78970, 103880, 110558, 146020, 157940, 221116, 276395, 292040, 315880, 386953, 442232, 552790, 773906, 1105580, 1547812, 1934765, 2211160, 3095624, 3869530, 7739060, 15478120]

約数ペア:

[(1, 15478120), (2, 7739060), (4, 3869530), (5, 3095624), (7, 2211160), (8, 1934765), (10, 1547812), (14, 1105580), (20, 773906), (28, 552790), (35, 442232), (40, 386953), (49, 315880), (53, 292040), (56, 276395), (70, 221116), (98, 157940), (106, 146020), (140, 110558), (149, 103880), (196, 78970), (212, 73010), (245, 63176), (265, 58408), (280, 55279), (298, 51940), (371, 41720), (392, 39485), (424, 36505), (490, 31588), (530, 29204), (596, 25970), (742, 20860), (745, 20776), (980, 15794), (1043, 14840), (1060, 14602), (1192, 12985), (1484, 10430), (1490, 10388), (1855, 8344), (1960, 7897), (2086, 7420), (2120, 7301), (2597, 5960), (2968, 5215), (2980, 5194), (3710, 4172)]