285759240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 256

約数和(自身を含む): 1006387200

約数和(自身を除く): 720627960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 31, 38, 39, 40, 52, 57, 60, 62, 65, 76, 78, 93, 95, 104, 114, 120, 124, 130, 152, 155, 156, 186, 190, 195, 228, 247, 248, 260, 285, 310, 311, 312, 372, 380, 390, 403, 456, 465, 494, 520, 570, 589, 620, 622, 741, 744, 760, 780, 806, 930, 933, 988, 1140, 1178, 1209, 1235, 1240, 1244, 1482, 1555, 1560, 1612, 1767, 1860, 1866, 1976, 2015, 2280, 2356, 2418, 2470, 2488, 2945, 2964, 3110, 3224, 3534, 3705, 3720, 3732, 4030, 4043, 4665, 4712, 4836, 4940, 5890, 5909, 5928, 6045, 6220, 7068, 7410, 7464, 7657, 8060, 8086, 8835, 9330, 9641, 9672, 9880, 11780, 11818, 12090, 12129, 12440, 14136, 14820, 15314, 16120, 16172, 17670, 17727, 18660, 19282, 20215, 22971, 23560, 23636, 24180, 24258, 28923, 29545, 29640, 30628, 32344, 35340, 35454, 37320, 38285, 38564, 40430, 45942, 47272, 48205, 48360, 48516, 57846, 59090, 60645, 61256, 70680, 70908, 76570, 76817, 77128, 80860, 88635, 91884, 96410, 97032, 114855, 115692, 118180, 121290, 125333, 141816, 144615, 153140, 153634, 161720, 177270, 183179, 183768, 192820, 229710, 230451, 231384, 236360, 242580, 250666, 289230, 306280, 307268, 354540, 366358, 375999, 384085, 385640, 459420, 460902, 485160, 501332, 549537, 578460, 614536, 626665, 709080, 732716, 751998, 768170, 915895, 918840, 921804, 1002664, 1099074, 1152255, 1156920, 1253330, 1465432, 1503996, 1536340, 1831790, 1843608, 1879995, 2198148, 2304510, 2381327, 2506660, 2747685, 3007992, 3072680, 3663580, 3759990, 4396296, 4609020, 4762654, 5013320, 5495370, 7143981, 7327160, 7519980, 9218040, 9525308, 10990740, 11906635, 14287962, 15039960, 19050616, 21981480, 23813270, 28575924, 35719905, 47626540, 57151848, 71439810, 95253080, 142879620, 285759240]

約数ペア:

[(1, 285759240), (2, 142879620), (3, 95253080), (4, 71439810), (5, 57151848), (6, 47626540), (8, 35719905), (10, 28575924), (12, 23813270), (13, 21981480), (15, 19050616), (19, 15039960), (20, 14287962), (24, 11906635), (26, 10990740), (30, 9525308), (31, 9218040), (38, 7519980), (39, 7327160), (40, 7143981), (52, 5495370), (57, 5013320), (60, 4762654), (62, 4609020), (65, 4396296), (76, 3759990), (78, 3663580), (93, 3072680), (95, 3007992), (104, 2747685), (114, 2506660), (120, 2381327), (124, 2304510), (130, 2198148), (152, 1879995), (155, 1843608), (156, 1831790), (186, 1536340), (190, 1503996), (195, 1465432), (228, 1253330), (247, 1156920), (248, 1152255), (260, 1099074), (285, 1002664), (310, 921804), (311, 918840), (312, 915895), (372, 768170), (380, 751998), (390, 732716), (403, 709080), (456, 626665), (465, 614536), (494, 578460), (520, 549537), (570, 501332), (589, 485160), (620, 460902), (622, 459420), (741, 385640), (744, 384085), (760, 375999), (780, 366358), (806, 354540), (930, 307268), (933, 306280), (988, 289230), (1140, 250666), (1178, 242580), (1209, 236360), (1235, 231384), (1240, 230451), (1244, 229710), (1482, 192820), (1555, 183768), (1560, 183179), (1612, 177270), (1767, 161720), (1860, 153634), (1866, 153140), (1976, 144615), (2015, 141816), (2280, 125333), (2356, 121290), (2418, 118180), (2470, 115692), (2488, 114855), (2945, 97032), (2964, 96410), (3110, 91884), (3224, 88635), (3534, 80860), (3705, 77128), (3720, 76817), (3732, 76570), (4030, 70908), (4043, 70680), (4665, 61256), (4712, 60645), (4836, 59090), (4940, 57846), (5890, 48516), (5909, 48360), (5928, 48205), (6045, 47272), (6220, 45942), (7068, 40430), (7410, 38564), (7464, 38285), (7657, 37320), (8060, 35454), (8086, 35340), (8835, 32344), (9330, 30628), (9641, 29640), (9672, 29545), (9880, 28923), (11780, 24258), (11818, 24180), (12090, 23636), (12129, 23560), (12440, 22971), (14136, 20215), (14820, 19282), (15314, 18660), (16120, 17727), (16172, 17670)]