1642749720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{192811}}^1$

素因数の和:192896

約数の個数: 64

約数和(自身を含む): 4997687040

約数和(自身を除く): 3354937320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 192811, 385622, 578433, 771244, 964055, 1156866, 1542488, 1928110, 2313732, 2892165, 3856220, 4627464, 5784330, 7712440, 11568660, 13689581, 23137320, 27379162, 41068743, 54758324, 68447905, 82137486, 109516648, 136895810, 164274972, 205343715, 273791620, 328549944, 410687430, 547583240, 821374860, 1642749720]

約数ペア:

[(1, 1642749720), (2, 821374860), (3, 547583240), (4, 410687430), (5, 328549944), (6, 273791620), (8, 205343715), (10, 164274972), (12, 136895810), (15, 109516648), (20, 82137486), (24, 68447905), (30, 54758324), (40, 41068743), (60, 27379162), (71, 23137320), (120, 13689581), (142, 11568660), (213, 7712440), (284, 5784330), (355, 4627464), (426, 3856220), (568, 2892165), (710, 2313732), (852, 1928110), (1065, 1542488), (1420, 1156866), (1704, 964055), (2130, 771244), (2840, 578433), (4260, 385622), (8520, 192811)]