1227449340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16921}}^1$

素因数の和:16980

約数の個数: 144

約数和(自身を含む): 4139256576

約数和(自身を除く): 2911807236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 12090, 14508, 16921, 18135, 24180, 33842, 36270, 50763, 67684, 72540, 84605, 101526, 152289, 169210, 203052, 219973, 253815, 304578, 338420, 439946, 507630, 524551, 609156, 659919, 761445, 879892, 1015260, 1049102, 1099865, 1319838, 1522890, 1573653, 1979757, 2098204, 2199730, 2622755, 2639676, 3045780, 3147306, 3299595, 3959514, 4399460, 4720959, 5245510, 6294612, 6599190, 6819163, 7868265, 7919028, 9441918, 9898785, 10491020, 13198380, 13638326, 15736530, 18883836, 19797570, 20457489, 23604795, 27276652, 31473060, 34095815, 39595140, 40914978, 47209590, 61372467, 68191630, 81829956, 94419180, 102287445, 122744934, 136383260, 204574890, 245489868, 306862335, 409149780, 613724670, 1227449340]

約数ペア:

[(1, 1227449340), (2, 613724670), (3, 409149780), (4, 306862335), (5, 245489868), (6, 204574890), (9, 136383260), (10, 122744934), (12, 102287445), (13, 94419180), (15, 81829956), (18, 68191630), (20, 61372467), (26, 47209590), (30, 40914978), (31, 39595140), (36, 34095815), (39, 31473060), (45, 27276652), (52, 23604795), (60, 20457489), (62, 19797570), (65, 18883836), (78, 15736530), (90, 13638326), (93, 13198380), (117, 10491020), (124, 9898785), (130, 9441918), (155, 7919028), (156, 7868265), (180, 6819163), (186, 6599190), (195, 6294612), (234, 5245510), (260, 4720959), (279, 4399460), (310, 3959514), (372, 3299595), (390, 3147306), (403, 3045780), (465, 2639676), (468, 2622755), (558, 2199730), (585, 2098204), (620, 1979757), (780, 1573653), (806, 1522890), (930, 1319838), (1116, 1099865), (1170, 1049102), (1209, 1015260), (1395, 879892), (1612, 761445), (1860, 659919), (2015, 609156), (2340, 524551), (2418, 507630), (2790, 439946), (3627, 338420), (4030, 304578), (4836, 253815), (5580, 219973), (6045, 203052), (7254, 169210), (8060, 152289), (12090, 101526), (14508, 84605), (16921, 72540), (18135, 67684), (24180, 50763), (33842, 36270)]