870822120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{21157}}^1$

素因数の和:21192

約数の個数: 128

約数和(自身を含む): 3046752000

約数和(自身を除く): 2175929880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10290, 13720, 20580, 21157, 41160, 42314, 63471, 84628, 105785, 126942, 148099, 169256, 211570, 253884, 296198, 317355, 423140, 444297, 507768, 592396, 634710, 740495, 846280, 888594, 1036693, 1184792, 1269420, 1480990, 1777188, 2073386, 2221485, 2538840, 2961980, 3110079, 3554376, 4146772, 4442970, 5183465, 5923960, 6220158, 7256851, 8293544, 8885940, 10366930, 12440316, 14513702, 15550395, 17771880, 20733860, 21770553, 24880632, 29027404, 31100790, 36284255, 41467720, 43541106, 58054808, 62201580, 72568510, 87082212, 108852765, 124403160, 145137020, 174164424, 217705530, 290274040, 435411060, 870822120]

約数ペア:

[(1, 870822120), (2, 435411060), (3, 290274040), (4, 217705530), (5, 174164424), (6, 145137020), (7, 124403160), (8, 108852765), (10, 87082212), (12, 72568510), (14, 62201580), (15, 58054808), (20, 43541106), (21, 41467720), (24, 36284255), (28, 31100790), (30, 29027404), (35, 24880632), (40, 21770553), (42, 20733860), (49, 17771880), (56, 15550395), (60, 14513702), (70, 12440316), (84, 10366930), (98, 8885940), (105, 8293544), (120, 7256851), (140, 6220158), (147, 5923960), (168, 5183465), (196, 4442970), (210, 4146772), (245, 3554376), (280, 3110079), (294, 2961980), (343, 2538840), (392, 2221485), (420, 2073386), (490, 1777188), (588, 1480990), (686, 1269420), (735, 1184792), (840, 1036693), (980, 888594), (1029, 846280), (1176, 740495), (1372, 634710), (1470, 592396), (1715, 507768), (1960, 444297), (2058, 423140), (2744, 317355), (2940, 296198), (3430, 253884), (4116, 211570), (5145, 169256), (5880, 148099), (6860, 126942), (8232, 105785), (10290, 84628), (13720, 63471), (20580, 42314), (21157, 41160)]