290456280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:751

約数の個数: 160

約数和(自身を含む): 984194640

約数和(自身を除く): 693738360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 157, 162, 180, 216, 270, 314, 324, 360, 405, 471, 540, 571, 628, 648, 785, 810, 942, 1080, 1142, 1256, 1413, 1570, 1620, 1713, 1884, 2284, 2355, 2826, 2855, 3140, 3240, 3426, 3768, 4239, 4568, 4710, 5139, 5652, 5710, 6280, 6852, 7065, 8478, 8565, 9420, 10278, 11304, 11420, 12717, 13704, 14130, 15417, 16956, 17130, 18840, 20556, 21195, 22840, 25434, 25695, 28260, 30834, 33912, 34260, 41112, 42390, 46251, 50868, 51390, 56520, 61668, 63585, 68520, 77085, 84780, 89647, 92502, 101736, 102780, 123336, 127170, 154170, 169560, 179294, 185004, 205560, 231255, 254340, 268941, 308340, 358588, 370008, 448235, 462510, 508680, 537882, 616680, 717176, 806823, 896470, 925020, 1075764, 1344705, 1613646, 1792940, 1850040, 2151528, 2420469, 2689410, 3227292, 3585880, 4034115, 4840938, 5378820, 6454584, 7261407, 8068230, 9681876, 10757640, 12102345, 14522814, 16136460, 19363752, 24204690, 29045628, 32272920, 36307035, 48409380, 58091256, 72614070, 96818760, 145228140, 290456280]

約数ペア:

[(1, 290456280), (2, 145228140), (3, 96818760), (4, 72614070), (5, 58091256), (6, 48409380), (8, 36307035), (9, 32272920), (10, 29045628), (12, 24204690), (15, 19363752), (18, 16136460), (20, 14522814), (24, 12102345), (27, 10757640), (30, 9681876), (36, 8068230), (40, 7261407), (45, 6454584), (54, 5378820), (60, 4840938), (72, 4034115), (81, 3585880), (90, 3227292), (108, 2689410), (120, 2420469), (135, 2151528), (157, 1850040), (162, 1792940), (180, 1613646), (216, 1344705), (270, 1075764), (314, 925020), (324, 896470), (360, 806823), (405, 717176), (471, 616680), (540, 537882), (571, 508680), (628, 462510), (648, 448235), (785, 370008), (810, 358588), (942, 308340), (1080, 268941), (1142, 254340), (1256, 231255), (1413, 205560), (1570, 185004), (1620, 179294), (1713, 169560), (1884, 154170), (2284, 127170), (2355, 123336), (2826, 102780), (2855, 101736), (3140, 92502), (3240, 89647), (3426, 84780), (3768, 77085), (4239, 68520), (4568, 63585), (4710, 61668), (5139, 56520), (5652, 51390), (5710, 50868), (6280, 46251), (6852, 42390), (7065, 41112), (8478, 34260), (8565, 33912), (9420, 30834), (10278, 28260), (11304, 25695), (11420, 25434), (12717, 22840), (13704, 21195), (14130, 20556), (15417, 18840), (16956, 17130)]