311006280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2831

約数の個数: 128

約数和(自身を含む): 1018926720

約数和(自身を除く): 707920440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 520, 584, 730, 780, 876, 949, 1095, 1460, 1560, 1752, 1898, 2190, 2731, 2847, 2920, 3796, 4380, 4745, 5462, 5694, 7592, 8193, 8760, 9490, 10924, 11388, 13655, 14235, 16386, 18980, 21848, 22776, 27310, 28470, 32772, 35503, 37960, 40965, 54620, 56940, 65544, 71006, 81930, 106509, 109240, 113880, 142012, 163860, 177515, 199363, 213018, 284024, 327720, 355030, 398726, 426036, 532545, 598089, 710060, 797452, 852072, 996815, 1065090, 1196178, 1420120, 1594904, 1993630, 2130180, 2392356, 2591719, 2990445, 3987260, 4260360, 4784712, 5183438, 5980890, 7775157, 7974520, 10366876, 11961780, 12958595, 15550314, 20733752, 23923560, 25917190, 31100628, 38875785, 51834380, 62201256, 77751570, 103668760, 155503140, 311006280]

約数ペア:

[(1, 311006280), (2, 155503140), (3, 103668760), (4, 77751570), (5, 62201256), (6, 51834380), (8, 38875785), (10, 31100628), (12, 25917190), (13, 23923560), (15, 20733752), (20, 15550314), (24, 12958595), (26, 11961780), (30, 10366876), (39, 7974520), (40, 7775157), (52, 5980890), (60, 5183438), (65, 4784712), (73, 4260360), (78, 3987260), (104, 2990445), (120, 2591719), (130, 2392356), (146, 2130180), (156, 1993630), (195, 1594904), (219, 1420120), (260, 1196178), (292, 1065090), (312, 996815), (365, 852072), (390, 797452), (438, 710060), (520, 598089), (584, 532545), (730, 426036), (780, 398726), (876, 355030), (949, 327720), (1095, 284024), (1460, 213018), (1560, 199363), (1752, 177515), (1898, 163860), (2190, 142012), (2731, 113880), (2847, 109240), (2920, 106509), (3796, 81930), (4380, 71006), (4745, 65544), (5462, 56940), (5694, 54620), (7592, 40965), (8193, 37960), (8760, 35503), (9490, 32772), (10924, 28470), (11388, 27310), (13655, 22776), (14235, 21848), (16386, 18980)]