80248770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 170719038

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, 587, 630, 651, 735, 882, 930, 1085, 1174, 1302, 1395, 1470, 1519, 1761, 1953, 2170, 2205, 2790, 2935, 3038, 3255, 3522, 3906, 4109, 4410, 4557, 5283, 5870, 6510, 7595, 8218, 8805, 9114, 9765, 10566, 12327, 13671, 15190, 17610, 18197, 19530, 20545, 22785, 24654, 26415, 27342, 28763, 36394, 36981, 41090, 45570, 52830, 54591, 57526, 61635, 68355, 73962, 86289, 90985, 109182, 123270, 127379, 136710, 143815, 163773, 172578, 181970, 184905, 254758, 258867, 272955, 287630, 327546, 369810, 382137, 431445, 517734, 545910, 636895, 764274, 818865, 862890, 891653, 1146411, 1273790, 1294335, 1637730, 1783306, 1910685, 2292822, 2588670, 2674959, 3821370, 4458265, 5349918, 5732055, 8024877, 8916530, 11464110, 13374795, 16049754, 26749590, 40124385, 80248770]

約数ペア:

[(1, 80248770), (2, 40124385), (3, 26749590), (5, 16049754), (6, 13374795), (7, 11464110), (9, 8916530), (10, 8024877), (14, 5732055), (15, 5349918), (18, 4458265), (21, 3821370), (30, 2674959), (31, 2588670), (35, 2292822), (42, 1910685), (45, 1783306), (49, 1637730), (62, 1294335), (63, 1273790), (70, 1146411), (90, 891653), (93, 862890), (98, 818865), (105, 764274), (126, 636895), (147, 545910), (155, 517734), (186, 431445), (210, 382137), (217, 369810), (245, 327546), (279, 287630), (294, 272955), (310, 258867), (315, 254758), (434, 184905), (441, 181970), (465, 172578), (490, 163773), (558, 143815), (587, 136710), (630, 127379), (651, 123270), (735, 109182), (882, 90985), (930, 86289), (1085, 73962), (1174, 68355), (1302, 61635), (1395, 57526), (1470, 54591), (1519, 52830), (1761, 45570), (1953, 41090), (2170, 36981), (2205, 36394), (2790, 28763), (2935, 27342), (3038, 26415), (3255, 24654), (3522, 22785), (3906, 20545), (4109, 19530), (4410, 18197), (4557, 17610), (5283, 15190), (5870, 13671), (6510, 12327), (7595, 10566), (8218, 9765), (8805, 9114)]