725658540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 2157474816

約数和(自身を除く): 1431816276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 211, 215, 258, 310, 372, 422, 430, 465, 516, 620, 633, 645, 844, 860, 930, 1055, 1266, 1290, 1333, 1849, 1860, 2110, 2532, 2580, 2666, 3165, 3698, 3999, 4220, 5332, 5547, 6330, 6541, 6665, 7396, 7998, 9073, 9245, 11094, 12660, 13082, 13330, 15996, 18146, 18490, 19623, 19995, 22188, 26164, 26660, 27219, 27735, 32705, 36292, 36980, 39246, 39990, 45365, 54438, 55470, 57319, 65410, 78492, 79980, 90730, 98115, 108876, 110940, 114638, 130820, 136095, 171957, 181460, 196230, 229276, 272190, 281263, 286595, 343914, 390139, 392460, 544380, 562526, 573190, 687828, 780278, 843789, 859785, 1125052, 1146380, 1170417, 1406315, 1560556, 1687578, 1719570, 1950695, 2340834, 2812630, 3375156, 3439140, 3901390, 4218945, 4681668, 5625260, 5852085, 7802780, 8437890, 11704170, 12094309, 16875780, 23408340, 24188618, 36282927, 48377236, 60471545, 72565854, 120943090, 145131708, 181414635, 241886180, 362829270, 725658540]

約数ペア:

[(1, 725658540), (2, 362829270), (3, 241886180), (4, 181414635), (5, 145131708), (6, 120943090), (10, 72565854), (12, 60471545), (15, 48377236), (20, 36282927), (30, 24188618), (31, 23408340), (43, 16875780), (60, 12094309), (62, 11704170), (86, 8437890), (93, 7802780), (124, 5852085), (129, 5625260), (155, 4681668), (172, 4218945), (186, 3901390), (211, 3439140), (215, 3375156), (258, 2812630), (310, 2340834), (372, 1950695), (422, 1719570), (430, 1687578), (465, 1560556), (516, 1406315), (620, 1170417), (633, 1146380), (645, 1125052), (844, 859785), (860, 843789), (930, 780278), (1055, 687828), (1266, 573190), (1290, 562526), (1333, 544380), (1849, 392460), (1860, 390139), (2110, 343914), (2532, 286595), (2580, 281263), (2666, 272190), (3165, 229276), (3698, 196230), (3999, 181460), (4220, 171957), (5332, 136095), (5547, 130820), (6330, 114638), (6541, 110940), (6665, 108876), (7396, 98115), (7998, 90730), (9073, 79980), (9245, 78492), (11094, 65410), (12660, 57319), (13082, 55470), (13330, 54438), (15996, 45365), (18146, 39990), (18490, 39246), (19623, 36980), (19995, 36292), (22188, 32705), (26164, 27735), (26660, 27219)]