128644110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:999

約数の個数: 144

約数和(自身を含む): 402060672

約数和(自身を除く): 273416562

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 558, 630, 651, 735, 882, 930, 941, 1085, 1302, 1395, 1470, 1519, 1882, 1953, 2170, 2205, 2790, 2823, 3038, 3255, 3906, 4410, 4557, 4705, 5646, 6510, 6587, 7595, 8469, 9114, 9410, 9765, 13174, 13671, 14115, 15190, 16938, 19530, 19761, 22785, 27342, 28230, 29171, 32935, 39522, 42345, 45570, 46109, 58342, 59283, 65870, 68355, 84690, 87513, 92218, 98805, 118566, 136710, 138327, 145855, 175026, 197610, 204197, 230545, 262539, 276654, 291710, 296415, 408394, 414981, 437565, 461090, 525078, 592830, 612591, 691635, 829962, 875130, 1020985, 1225182, 1312695, 1383270, 1429379, 1837773, 2041970, 2074905, 2625390, 2858758, 3062955, 3675546, 4149810, 4288137, 6125910, 7146895, 8576274, 9188865, 12864411, 14293790, 18377730, 21440685, 25728822, 42881370, 64322055, 128644110]

約数ペア:

[(1, 128644110), (2, 64322055), (3, 42881370), (5, 25728822), (6, 21440685), (7, 18377730), (9, 14293790), (10, 12864411), (14, 9188865), (15, 8576274), (18, 7146895), (21, 6125910), (30, 4288137), (31, 4149810), (35, 3675546), (42, 3062955), (45, 2858758), (49, 2625390), (62, 2074905), (63, 2041970), (70, 1837773), (90, 1429379), (93, 1383270), (98, 1312695), (105, 1225182), (126, 1020985), (147, 875130), (155, 829962), (186, 691635), (210, 612591), (217, 592830), (245, 525078), (279, 461090), (294, 437565), (310, 414981), (315, 408394), (434, 296415), (441, 291710), (465, 276654), (490, 262539), (558, 230545), (630, 204197), (651, 197610), (735, 175026), (882, 145855), (930, 138327), (941, 136710), (1085, 118566), (1302, 98805), (1395, 92218), (1470, 87513), (1519, 84690), (1882, 68355), (1953, 65870), (2170, 59283), (2205, 58342), (2790, 46109), (2823, 45570), (3038, 42345), (3255, 39522), (3906, 32935), (4410, 29171), (4557, 28230), (4705, 27342), (5646, 22785), (6510, 19761), (6587, 19530), (7595, 16938), (8469, 15190), (9114, 14115), (9410, 13671), (9765, 13174)]