28738320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 98160384

約数和(自身を除く): 69422064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 151, 156, 183, 195, 208, 240, 244, 260, 302, 305, 312, 366, 390, 453, 488, 520, 604, 610, 624, 732, 755, 780, 793, 906, 915, 976, 1040, 1208, 1220, 1464, 1510, 1560, 1586, 1812, 1830, 1963, 2265, 2379, 2416, 2440, 2928, 3020, 3120, 3172, 3624, 3660, 3926, 3965, 4530, 4758, 4880, 5889, 6040, 6344, 7248, 7320, 7852, 7930, 9060, 9211, 9516, 9815, 11778, 11895, 12080, 12688, 14640, 15704, 15860, 18120, 18422, 19032, 19630, 23556, 23790, 27633, 29445, 31408, 31720, 36240, 36844, 38064, 39260, 46055, 47112, 47580, 55266, 58890, 63440, 73688, 78520, 92110, 94224, 95160, 110532, 117780, 119743, 138165, 147376, 157040, 184220, 190320, 221064, 235560, 239486, 276330, 359229, 368440, 442128, 471120, 478972, 552660, 598715, 718458, 736880, 957944, 1105320, 1197430, 1436916, 1796145, 1915888, 2210640, 2394860, 2873832, 3592290, 4789720, 5747664, 7184580, 9579440, 14369160, 28738320]

約数ペア:

[(1, 28738320), (2, 14369160), (3, 9579440), (4, 7184580), (5, 5747664), (6, 4789720), (8, 3592290), (10, 2873832), (12, 2394860), (13, 2210640), (15, 1915888), (16, 1796145), (20, 1436916), (24, 1197430), (26, 1105320), (30, 957944), (39, 736880), (40, 718458), (48, 598715), (52, 552660), (60, 478972), (61, 471120), (65, 442128), (78, 368440), (80, 359229), (104, 276330), (120, 239486), (122, 235560), (130, 221064), (151, 190320), (156, 184220), (183, 157040), (195, 147376), (208, 138165), (240, 119743), (244, 117780), (260, 110532), (302, 95160), (305, 94224), (312, 92110), (366, 78520), (390, 73688), (453, 63440), (488, 58890), (520, 55266), (604, 47580), (610, 47112), (624, 46055), (732, 39260), (755, 38064), (780, 36844), (793, 36240), (906, 31720), (915, 31408), (976, 29445), (1040, 27633), (1208, 23790), (1220, 23556), (1464, 19630), (1510, 19032), (1560, 18422), (1586, 18120), (1812, 15860), (1830, 15704), (1963, 14640), (2265, 12688), (2379, 12080), (2416, 11895), (2440, 11778), (2928, 9815), (3020, 9516), (3120, 9211), (3172, 9060), (3624, 7930), (3660, 7852), (3926, 7320), (3965, 7248), (4530, 6344), (4758, 6040), (4880, 5889)]