131798940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 460615680

約数和(自身を除く): 328816740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 101, 105, 130, 140, 156, 182, 195, 202, 210, 239, 260, 273, 303, 364, 390, 404, 420, 455, 478, 505, 546, 606, 707, 717, 780, 910, 956, 1010, 1092, 1195, 1212, 1313, 1365, 1414, 1434, 1515, 1673, 1820, 2020, 2121, 2390, 2626, 2730, 2828, 2868, 3030, 3107, 3346, 3535, 3585, 3939, 4242, 4780, 5019, 5252, 5460, 6060, 6214, 6565, 6692, 7070, 7170, 7878, 8365, 8484, 9191, 9321, 10038, 10605, 12428, 13130, 14140, 14340, 15535, 15756, 16730, 18382, 18642, 19695, 20076, 21210, 21749, 24139, 25095, 26260, 27573, 31070, 33460, 36764, 37284, 39390, 42420, 43498, 45955, 46605, 48278, 50190, 55146, 62140, 65247, 72417, 78780, 86996, 91910, 93210, 96556, 100380, 108745, 110292, 120695, 130494, 137865, 144834, 168973, 183820, 186420, 217490, 241390, 260988, 275730, 289668, 313807, 326235, 337946, 362085, 434980, 482780, 506919, 551460, 627614, 652470, 675892, 724170, 844865, 941421, 1013838, 1255228, 1304940, 1448340, 1569035, 1689730, 1882842, 2027676, 2196649, 2534595, 3138070, 3379460, 3765684, 4393298, 4707105, 5069190, 6276140, 6589947, 8786596, 9414210, 10138380, 10983245, 13179894, 18828420, 21966490, 26359788, 32949735, 43932980, 65899470, 131798940]

約数ペア:

[(1, 131798940), (2, 65899470), (3, 43932980), (4, 32949735), (5, 26359788), (6, 21966490), (7, 18828420), (10, 13179894), (12, 10983245), (13, 10138380), (14, 9414210), (15, 8786596), (20, 6589947), (21, 6276140), (26, 5069190), (28, 4707105), (30, 4393298), (35, 3765684), (39, 3379460), (42, 3138070), (52, 2534595), (60, 2196649), (65, 2027676), (70, 1882842), (78, 1689730), (84, 1569035), (91, 1448340), (101, 1304940), (105, 1255228), (130, 1013838), (140, 941421), (156, 844865), (182, 724170), (195, 675892), (202, 652470), (210, 627614), (239, 551460), (260, 506919), (273, 482780), (303, 434980), (364, 362085), (390, 337946), (404, 326235), (420, 313807), (455, 289668), (478, 275730), (505, 260988), (546, 241390), (606, 217490), (707, 186420), (717, 183820), (780, 168973), (910, 144834), (956, 137865), (1010, 130494), (1092, 120695), (1195, 110292), (1212, 108745), (1313, 100380), (1365, 96556), (1414, 93210), (1434, 91910), (1515, 86996), (1673, 78780), (1820, 72417), (2020, 65247), (2121, 62140), (2390, 55146), (2626, 50190), (2730, 48278), (2828, 46605), (2868, 45955), (3030, 43498), (3107, 42420), (3346, 39390), (3535, 37284), (3585, 36764), (3939, 33460), (4242, 31070), (4780, 27573), (5019, 26260), (5252, 25095), (5460, 24139), (6060, 21749), (6214, 21210), (6565, 20076), (6692, 19695), (7070, 18642), (7170, 18382), (7878, 16730), (8365, 15756), (8484, 15535), (9191, 14340), (9321, 14140), (10038, 13130), (10605, 12428)]