648124920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25357}}^1$

素因数の和:25445

約数の個数: 96

約数和(自身を含む): 2136157920

約数和(自身を除く): 1488033000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25357, 25560, 50714, 76071, 101428, 126785, 152142, 202856, 228213, 253570, 304284, 380355, 456426, 507140, 608568, 760710, 912852, 1014280, 1141065, 1521420, 1800347, 1825704, 2282130, 3042840, 3600694, 4564260, 5401041, 7201388, 9001735, 9128520, 10802082, 14402776, 16203123, 18003470, 21604164, 27005205, 32406246, 36006940, 43208328, 54010410, 64812492, 72013880, 81015615, 108020820, 129624984, 162031230, 216041640, 324062460, 648124920]

約数ペア:

[(1, 648124920), (2, 324062460), (3, 216041640), (4, 162031230), (5, 129624984), (6, 108020820), (8, 81015615), (9, 72013880), (10, 64812492), (12, 54010410), (15, 43208328), (18, 36006940), (20, 32406246), (24, 27005205), (30, 21604164), (36, 18003470), (40, 16203123), (45, 14402776), (60, 10802082), (71, 9128520), (72, 9001735), (90, 7201388), (120, 5401041), (142, 4564260), (180, 3600694), (213, 3042840), (284, 2282130), (355, 1825704), (360, 1800347), (426, 1521420), (568, 1141065), (639, 1014280), (710, 912852), (852, 760710), (1065, 608568), (1278, 507140), (1420, 456426), (1704, 380355), (2130, 304284), (2556, 253570), (2840, 228213), (3195, 202856), (4260, 152142), (5112, 126785), (6390, 101428), (8520, 76071), (12780, 50714), (25357, 25560)]