78095640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 269568000

約数和(自身を除く): 191472360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 389, 420, 478, 717, 778, 840, 956, 1167, 1195, 1434, 1556, 1673, 1912, 1945, 2334, 2390, 2723, 2868, 3112, 3346, 3585, 3890, 4668, 4780, 5019, 5446, 5736, 5835, 6692, 7170, 7780, 8169, 8365, 9336, 9560, 10038, 10892, 11670, 13384, 13615, 14340, 15560, 16338, 16730, 20076, 21784, 23340, 25095, 27230, 28680, 32676, 33460, 40152, 40845, 46680, 50190, 54460, 65352, 66920, 81690, 92971, 100380, 108920, 163380, 185942, 200760, 278913, 326760, 371884, 464855, 557826, 650797, 743768, 929710, 1115652, 1301594, 1394565, 1859420, 1952391, 2231304, 2603188, 2789130, 3253985, 3718840, 3904782, 5206376, 5578260, 6507970, 7809564, 9761955, 11156520, 13015940, 15619128, 19523910, 26031880, 39047820, 78095640]

約数ペア:

[(1, 78095640), (2, 39047820), (3, 26031880), (4, 19523910), (5, 15619128), (6, 13015940), (7, 11156520), (8, 9761955), (10, 7809564), (12, 6507970), (14, 5578260), (15, 5206376), (20, 3904782), (21, 3718840), (24, 3253985), (28, 2789130), (30, 2603188), (35, 2231304), (40, 1952391), (42, 1859420), (56, 1394565), (60, 1301594), (70, 1115652), (84, 929710), (105, 743768), (120, 650797), (140, 557826), (168, 464855), (210, 371884), (239, 326760), (280, 278913), (389, 200760), (420, 185942), (478, 163380), (717, 108920), (778, 100380), (840, 92971), (956, 81690), (1167, 66920), (1195, 65352), (1434, 54460), (1556, 50190), (1673, 46680), (1912, 40845), (1945, 40152), (2334, 33460), (2390, 32676), (2723, 28680), (2868, 27230), (3112, 25095), (3346, 23340), (3585, 21784), (3890, 20076), (4668, 16730), (4780, 16338), (5019, 15560), (5446, 14340), (5736, 13615), (5835, 13384), (6692, 11670), (7170, 10892), (7780, 10038), (8169, 9560), (8365, 9336)]