28523040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 110750976

約数和(自身を除く): 82227936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 653, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1306, 1365, 1456, 1560, 1680, 1820, 1959, 2080, 2184, 2612, 2730, 2912, 3120, 3265, 3360, 3640, 3918, 4368, 4571, 5224, 5460, 6240, 6530, 7280, 7836, 8489, 8736, 9142, 9795, 10448, 10920, 13060, 13713, 14560, 15672, 16978, 18284, 19590, 20896, 21840, 22855, 25467, 26120, 27426, 31344, 33956, 36568, 39180, 42445, 43680, 45710, 50934, 52240, 54852, 59423, 62688, 67912, 68565, 73136, 78360, 84890, 91420, 101868, 104480, 109704, 118846, 127335, 135824, 137130, 146272, 156720, 169780, 178269, 182840, 203736, 219408, 237692, 254670, 271648, 274260, 297115, 313440, 339560, 356538, 365680, 407472, 438816, 475384, 509340, 548520, 594230, 679120, 713076, 731360, 814944, 891345, 950768, 1018680, 1097040, 1188460, 1358240, 1426152, 1782690, 1901536, 2037360, 2194080, 2376920, 2852304, 3565380, 4074720, 4753840, 5704608, 7130760, 9507680, 14261520, 28523040]

約数ペア:

[(1, 28523040), (2, 14261520), (3, 9507680), (4, 7130760), (5, 5704608), (6, 4753840), (7, 4074720), (8, 3565380), (10, 2852304), (12, 2376920), (13, 2194080), (14, 2037360), (15, 1901536), (16, 1782690), (20, 1426152), (21, 1358240), (24, 1188460), (26, 1097040), (28, 1018680), (30, 950768), (32, 891345), (35, 814944), (39, 731360), (40, 713076), (42, 679120), (48, 594230), (52, 548520), (56, 509340), (60, 475384), (65, 438816), (70, 407472), (78, 365680), (80, 356538), (84, 339560), (91, 313440), (96, 297115), (104, 274260), (105, 271648), (112, 254670), (120, 237692), (130, 219408), (140, 203736), (156, 182840), (160, 178269), (168, 169780), (182, 156720), (195, 146272), (208, 137130), (210, 135824), (224, 127335), (240, 118846), (260, 109704), (273, 104480), (280, 101868), (312, 91420), (336, 84890), (364, 78360), (390, 73136), (416, 68565), (420, 67912), (455, 62688), (480, 59423), (520, 54852), (546, 52240), (560, 50934), (624, 45710), (653, 43680), (672, 42445), (728, 39180), (780, 36568), (840, 33956), (910, 31344), (1040, 27426), (1092, 26120), (1120, 25467), (1248, 22855), (1306, 21840), (1365, 20896), (1456, 19590), (1560, 18284), (1680, 16978), (1820, 15672), (1959, 14560), (2080, 13713), (2184, 13060), (2612, 10920), (2730, 10448), (2912, 9795), (3120, 9142), (3265, 8736), (3360, 8489), (3640, 7836), (3918, 7280), (4368, 6530), (4571, 6240), (5224, 5460)]