639676320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42989}}^1$

素因数の和:43038

約数の個数: 96

約数和(自身を含む): 2080028160

約数和(自身を除く): 1440351840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 42989, 85978, 128967, 171956, 214945, 257934, 343912, 429890, 515868, 644835, 687824, 859780, 1031736, 1289670, 1332659, 1375648, 1719560, 2063472, 2579340, 2665318, 3439120, 3997977, 4126944, 5158680, 5330636, 6663295, 6878240, 7995954, 10317360, 10661272, 13326590, 15991908, 19989885, 20634720, 21322544, 26653180, 31983816, 39979770, 42645088, 53306360, 63967632, 79959540, 106612720, 127935264, 159919080, 213225440, 319838160, 639676320]

約数ペア:

[(1, 639676320), (2, 319838160), (3, 213225440), (4, 159919080), (5, 127935264), (6, 106612720), (8, 79959540), (10, 63967632), (12, 53306360), (15, 42645088), (16, 39979770), (20, 31983816), (24, 26653180), (30, 21322544), (31, 20634720), (32, 19989885), (40, 15991908), (48, 13326590), (60, 10661272), (62, 10317360), (80, 7995954), (93, 6878240), (96, 6663295), (120, 5330636), (124, 5158680), (155, 4126944), (160, 3997977), (186, 3439120), (240, 2665318), (248, 2579340), (310, 2063472), (372, 1719560), (465, 1375648), (480, 1332659), (496, 1289670), (620, 1031736), (744, 859780), (930, 687824), (992, 644835), (1240, 515868), (1488, 429890), (1860, 343912), (2480, 257934), (2976, 214945), (3720, 171956), (4960, 128967), (7440, 85978), (14880, 42989)]