198997680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3875

約数の個数: 160

約数和(自身を含む): 727953408

約数和(自身を除く): 528955728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 3821, 4340, 5208, 6510, 7440, 7642, 8680, 10416, 11463, 13020, 15284, 17360, 19105, 22926, 26040, 26747, 30568, 38210, 45852, 52080, 53494, 57315, 61136, 76420, 80241, 91704, 106988, 114630, 118451, 133735, 152840, 160482, 183408, 213976, 229260, 236902, 267470, 305680, 320964, 355353, 401205, 427952, 458520, 473804, 534940, 592255, 641928, 710706, 802410, 829157, 917040, 947608, 1069880, 1184510, 1283856, 1421412, 1604820, 1658314, 1776765, 1895216, 2139760, 2369020, 2487471, 2842824, 3209640, 3316628, 3553530, 4145785, 4738040, 4974942, 5685648, 6419280, 6633256, 7107060, 8291570, 9476080, 9949884, 12437355, 13266512, 14214120, 16583140, 19899768, 24874710, 28428240, 33166280, 39799536, 49749420, 66332560, 99498840, 198997680]

約数ペア:

[(1, 198997680), (2, 99498840), (3, 66332560), (4, 49749420), (5, 39799536), (6, 33166280), (7, 28428240), (8, 24874710), (10, 19899768), (12, 16583140), (14, 14214120), (15, 13266512), (16, 12437355), (20, 9949884), (21, 9476080), (24, 8291570), (28, 7107060), (30, 6633256), (31, 6419280), (35, 5685648), (40, 4974942), (42, 4738040), (48, 4145785), (56, 3553530), (60, 3316628), (62, 3209640), (70, 2842824), (80, 2487471), (84, 2369020), (93, 2139760), (105, 1895216), (112, 1776765), (120, 1658314), (124, 1604820), (140, 1421412), (155, 1283856), (168, 1184510), (186, 1069880), (210, 947608), (217, 917040), (240, 829157), (248, 802410), (280, 710706), (310, 641928), (336, 592255), (372, 534940), (420, 473804), (434, 458520), (465, 427952), (496, 401205), (560, 355353), (620, 320964), (651, 305680), (744, 267470), (840, 236902), (868, 229260), (930, 213976), (1085, 183408), (1240, 160482), (1302, 152840), (1488, 133735), (1680, 118451), (1736, 114630), (1860, 106988), (2170, 91704), (2480, 80241), (2604, 76420), (3255, 61136), (3472, 57315), (3720, 53494), (3821, 52080), (4340, 45852), (5208, 38210), (6510, 30568), (7440, 26747), (7642, 26040), (8680, 22926), (10416, 19105), (11463, 17360), (13020, 15284)]