64577340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 206309376

約数和(自身を除く): 141732036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 163, 180, 186, 213, 279, 284, 310, 326, 355, 372, 426, 465, 489, 558, 620, 639, 652, 710, 815, 852, 930, 978, 1065, 1116, 1278, 1395, 1420, 1467, 1630, 1860, 1956, 2130, 2201, 2445, 2556, 2790, 2934, 3195, 3260, 4260, 4402, 4890, 5053, 5580, 5868, 6390, 6603, 7335, 8804, 9780, 10106, 11005, 11573, 12780, 13206, 14670, 15159, 19809, 20212, 22010, 23146, 25265, 26412, 29340, 30318, 33015, 34719, 39618, 44020, 45477, 46292, 50530, 57865, 60636, 66030, 69438, 75795, 79236, 90954, 99045, 101060, 104157, 115730, 132060, 138876, 151590, 173595, 181908, 198090, 208314, 227385, 231460, 303180, 347190, 358763, 396180, 416628, 454770, 520785, 694380, 717526, 909540, 1041570, 1076289, 1435052, 1793815, 2083140, 2152578, 3228867, 3587630, 4305156, 5381445, 6457734, 7175260, 10762890, 12915468, 16144335, 21525780, 32288670, 64577340]

約数ペア:

[(1, 64577340), (2, 32288670), (3, 21525780), (4, 16144335), (5, 12915468), (6, 10762890), (9, 7175260), (10, 6457734), (12, 5381445), (15, 4305156), (18, 3587630), (20, 3228867), (30, 2152578), (31, 2083140), (36, 1793815), (45, 1435052), (60, 1076289), (62, 1041570), (71, 909540), (90, 717526), (93, 694380), (124, 520785), (142, 454770), (155, 416628), (163, 396180), (180, 358763), (186, 347190), (213, 303180), (279, 231460), (284, 227385), (310, 208314), (326, 198090), (355, 181908), (372, 173595), (426, 151590), (465, 138876), (489, 132060), (558, 115730), (620, 104157), (639, 101060), (652, 99045), (710, 90954), (815, 79236), (852, 75795), (930, 69438), (978, 66030), (1065, 60636), (1116, 57865), (1278, 50530), (1395, 46292), (1420, 45477), (1467, 44020), (1630, 39618), (1860, 34719), (1956, 33015), (2130, 30318), (2201, 29340), (2445, 26412), (2556, 25265), (2790, 23146), (2934, 22010), (3195, 20212), (3260, 19809), (4260, 15159), (4402, 14670), (4890, 13206), (5053, 12780), (5580, 11573), (5868, 11005), (6390, 10106), (6603, 9780), (7335, 8804)]