872918820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 2698375680

約数和(自身を除く): 1825456860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 197, 206, 239, 309, 394, 412, 478, 515, 591, 618, 717, 788, 927, 956, 985, 1030, 1182, 1195, 1236, 1434, 1545, 1773, 1854, 1970, 2060, 2151, 2364, 2390, 2868, 2955, 3090, 3546, 3585, 3708, 3940, 4302, 4635, 4780, 5910, 6180, 7092, 7170, 8604, 8865, 9270, 10755, 11820, 14340, 17730, 18540, 20291, 21510, 24617, 35460, 40582, 43020, 47083, 49234, 60873, 73851, 81164, 94166, 98468, 101455, 121746, 123085, 141249, 147702, 182619, 188332, 202910, 221553, 235415, 243492, 246170, 282498, 295404, 304365, 365238, 369255, 405820, 423747, 443106, 470830, 492340, 564996, 608730, 706245, 730476, 738510, 847494, 886212, 913095, 941660, 1107765, 1217460, 1412490, 1477020, 1694988, 1826190, 2118735, 2215530, 2824980, 3652380, 4237470, 4431060, 4849549, 8474940, 9699098, 14548647, 19398196, 24247745, 29097294, 43645941, 48495490, 58194588, 72743235, 87291882, 96990980, 145486470, 174583764, 218229705, 290972940, 436459410, 872918820]

約数ペア:

[(1, 872918820), (2, 436459410), (3, 290972940), (4, 218229705), (5, 174583764), (6, 145486470), (9, 96990980), (10, 87291882), (12, 72743235), (15, 58194588), (18, 48495490), (20, 43645941), (30, 29097294), (36, 24247745), (45, 19398196), (60, 14548647), (90, 9699098), (103, 8474940), (180, 4849549), (197, 4431060), (206, 4237470), (239, 3652380), (309, 2824980), (394, 2215530), (412, 2118735), (478, 1826190), (515, 1694988), (591, 1477020), (618, 1412490), (717, 1217460), (788, 1107765), (927, 941660), (956, 913095), (985, 886212), (1030, 847494), (1182, 738510), (1195, 730476), (1236, 706245), (1434, 608730), (1545, 564996), (1773, 492340), (1854, 470830), (1970, 443106), (2060, 423747), (2151, 405820), (2364, 369255), (2390, 365238), (2868, 304365), (2955, 295404), (3090, 282498), (3546, 246170), (3585, 243492), (3708, 235415), (3940, 221553), (4302, 202910), (4635, 188332), (4780, 182619), (5910, 147702), (6180, 141249), (7092, 123085), (7170, 121746), (8604, 101455), (8865, 98468), (9270, 94166), (10755, 81164), (11820, 73851), (14340, 60873), (17730, 49234), (18540, 47083), (20291, 43020), (21510, 40582), (24617, 35460)]