1791987240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 5785344000

約数和(自身を除く): 3993356760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 61, 62, 93, 106, 120, 122, 124, 149, 155, 159, 183, 186, 212, 244, 248, 265, 298, 305, 310, 318, 366, 372, 424, 447, 465, 488, 530, 596, 610, 620, 636, 732, 744, 745, 795, 894, 915, 930, 1060, 1192, 1220, 1240, 1272, 1464, 1490, 1590, 1643, 1788, 1830, 1860, 1891, 2120, 2235, 2440, 2980, 3180, 3233, 3286, 3576, 3660, 3720, 3782, 4470, 4619, 4929, 5673, 5960, 6360, 6466, 6572, 7320, 7564, 7897, 8215, 8940, 9089, 9238, 9455, 9699, 9858, 11346, 12932, 13144, 13857, 15128, 15794, 16165, 16430, 17880, 18178, 18476, 18910, 19398, 19716, 22692, 23095, 23691, 24645, 25864, 27267, 27714, 28365, 31588, 32330, 32860, 36356, 36952, 37820, 38796, 39432, 39485, 45384, 45445, 46190, 47382, 48495, 49290, 54534, 55428, 56730, 63176, 64660, 65720, 69285, 72712, 75640, 77592, 78970, 90890, 92380, 94764, 96990, 98580, 100223, 109068, 110856, 113460, 118455, 129320, 136335, 138570, 157940, 181780, 184760, 189528, 193980, 197160, 200446, 218136, 226920, 236910, 244807, 272670, 277140, 281759, 300669, 315880, 363560, 387960, 400892, 473820, 481717, 489614, 501115, 545340, 554280, 563518, 601338, 734421, 801784, 845277, 947640, 963434, 979228, 1002230, 1090680, 1127036, 1202676, 1224035, 1408795, 1445151, 1468842, 1503345, 1690554, 1926868, 1958456, 2004460, 2254072, 2405352, 2408585, 2448070, 2817590, 2890302, 2937684, 3006690, 3381108, 3672105, 3853736, 4008920, 4226385, 4817170, 4896140, 5635180, 5780604, 5875368, 6013380, 6762216, 7225755, 7344210, 8452770, 9634340, 9792280, 11270360, 11561208, 12026760, 14451510, 14688420, 14933227, 16905540, 19268680, 28903020, 29376840, 29866454, 33811080, 44799681, 57806040, 59732908, 74666135, 89599362, 119465816, 149332270, 179198724, 223998405, 298664540, 358397448, 447996810, 597329080, 895993620, 1791987240]

約数ペア:

[(1, 1791987240), (2, 895993620), (3, 597329080), (4, 447996810), (5, 358397448), (6, 298664540), (8, 223998405), (10, 179198724), (12, 149332270), (15, 119465816), (20, 89599362), (24, 74666135), (30, 59732908), (31, 57806040), (40, 44799681), (53, 33811080), (60, 29866454), (61, 29376840), (62, 28903020), (93, 19268680), (106, 16905540), (120, 14933227), (122, 14688420), (124, 14451510), (149, 12026760), (155, 11561208), (159, 11270360), (183, 9792280), (186, 9634340), (212, 8452770), (244, 7344210), (248, 7225755), (265, 6762216), (298, 6013380), (305, 5875368), (310, 5780604), (318, 5635180), (366, 4896140), (372, 4817170), (424, 4226385), (447, 4008920), (465, 3853736), (488, 3672105), (530, 3381108), (596, 3006690), (610, 2937684), (620, 2890302), (636, 2817590), (732, 2448070), (744, 2408585), (745, 2405352), (795, 2254072), (894, 2004460), (915, 1958456), (930, 1926868), (1060, 1690554), (1192, 1503345), (1220, 1468842), (1240, 1445151), (1272, 1408795), (1464, 1224035), (1490, 1202676), (1590, 1127036), (1643, 1090680), (1788, 1002230), (1830, 979228), (1860, 963434), (1891, 947640), (2120, 845277), (2235, 801784), (2440, 734421), (2980, 601338), (3180, 563518), (3233, 554280), (3286, 545340), (3576, 501115), (3660, 489614), (3720, 481717), (3782, 473820), (4470, 400892), (4619, 387960), (4929, 363560), (5673, 315880), (5960, 300669), (6360, 281759), (6466, 277140), (6572, 272670), (7320, 244807), (7564, 236910), (7897, 226920), (8215, 218136), (8940, 200446), (9089, 197160), (9238, 193980), (9455, 189528), (9699, 184760), (9858, 181780), (11346, 157940), (12932, 138570), (13144, 136335), (13857, 129320), (15128, 118455), (15794, 113460), (16165, 110856), (16430, 109068), (17880, 100223), (18178, 98580), (18476, 96990), (18910, 94764), (19398, 92380), (19716, 90890), (22692, 78970), (23095, 77592), (23691, 75640), (24645, 72712), (25864, 69285), (27267, 65720), (27714, 64660), (28365, 63176), (31588, 56730), (32330, 55428), (32860, 54534), (36356, 49290), (36952, 48495), (37820, 47382), (38796, 46190), (39432, 45445), (39485, 45384)]