49521420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21163}}^1$

素因数の和:21191

約数の個数: 72

約数和(自身を含む): 161777616

約数和(自身を除く): 112256196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21163, 42326, 63489, 84652, 105815, 126978, 190467, 211630, 253956, 275119, 317445, 380934, 423260, 550238, 634890, 761868, 825357, 952335, 1100476, 1269780, 1375595, 1650714, 1904670, 2476071, 2751190, 3301428, 3809340, 4126785, 4952142, 5502380, 8253570, 9904284, 12380355, 16507140, 24760710, 49521420]

約数ペア:

[(1, 49521420), (2, 24760710), (3, 16507140), (4, 12380355), (5, 9904284), (6, 8253570), (9, 5502380), (10, 4952142), (12, 4126785), (13, 3809340), (15, 3301428), (18, 2751190), (20, 2476071), (26, 1904670), (30, 1650714), (36, 1375595), (39, 1269780), (45, 1100476), (52, 952335), (60, 825357), (65, 761868), (78, 634890), (90, 550238), (117, 423260), (130, 380934), (156, 317445), (180, 275119), (195, 253956), (234, 211630), (260, 190467), (390, 126978), (468, 105815), (585, 84652), (780, 63489), (1170, 42326), (2340, 21163)]