281337420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 288

約数和(自身を含む): 1047307968

約数和(自身を除く): 765970548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 49, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 98, 102, 105, 119, 130, 140, 147, 156, 170, 182, 195, 196, 204, 210, 221, 238, 245, 255, 260, 273, 294, 340, 357, 364, 390, 420, 433, 442, 455, 476, 490, 510, 546, 588, 595, 637, 663, 714, 735, 780, 833, 866, 884, 910, 980, 1020, 1092, 1105, 1190, 1274, 1299, 1326, 1365, 1428, 1470, 1547, 1666, 1732, 1785, 1820, 1911, 2165, 2210, 2380, 2499, 2548, 2598, 2652, 2730, 2940, 3031, 3094, 3185, 3315, 3332, 3570, 3822, 4165, 4330, 4420, 4641, 4998, 5196, 5460, 5629, 6062, 6188, 6370, 6495, 6630, 7140, 7361, 7644, 7735, 8330, 8660, 9093, 9282, 9555, 9996, 10829, 11258, 12124, 12495, 12740, 12990, 13260, 14722, 15155, 15470, 16660, 16887, 18186, 18564, 19110, 21217, 21658, 22083, 22516, 23205, 24990, 25980, 28145, 29444, 30310, 30940, 32487, 33774, 36372, 36805, 38220, 39403, 42434, 43316, 44166, 45465, 46410, 49980, 51527, 54145, 56290, 60620, 63651, 64974, 67548, 73610, 78806, 84435, 84868, 88332, 90930, 92820, 95693, 103054, 106085, 108290, 110415, 112580, 118209, 127302, 129948, 147220, 154581, 157612, 162435, 168870, 181860, 191386, 197015, 206108, 212170, 216580, 220830, 236418, 254604, 257635, 275821, 287079, 309162, 318255, 324870, 337740, 360689, 382772, 394030, 424340, 441660, 472836, 478465, 515270, 551642, 574158, 591045, 618324, 636510, 649740, 669851, 721378, 772905, 788060, 827463, 956930, 1030540, 1082067, 1103284, 1148316, 1182090, 1273020, 1339702, 1379105, 1435395, 1442756, 1545810, 1654926, 1803445, 1913860, 2009553, 2164134, 2364180, 2679404, 2758210, 2870790, 3091620, 3309852, 3349255, 3606890, 4019106, 4137315, 4328268, 4688957, 5410335, 5516420, 5741580, 6698510, 7213780, 8038212, 8274630, 9377914, 10047765, 10820670, 13397020, 14066871, 16549260, 18755828, 20095530, 21641340, 23444785, 28133742, 40191060, 46889570, 56267484, 70334355, 93779140, 140668710, 281337420]

約数ペア:

[(1, 281337420), (2, 140668710), (3, 93779140), (4, 70334355), (5, 56267484), (6, 46889570), (7, 40191060), (10, 28133742), (12, 23444785), (13, 21641340), (14, 20095530), (15, 18755828), (17, 16549260), (20, 14066871), (21, 13397020), (26, 10820670), (28, 10047765), (30, 9377914), (34, 8274630), (35, 8038212), (39, 7213780), (42, 6698510), (49, 5741580), (51, 5516420), (52, 5410335), (60, 4688957), (65, 4328268), (68, 4137315), (70, 4019106), (78, 3606890), (84, 3349255), (85, 3309852), (91, 3091620), (98, 2870790), (102, 2758210), (105, 2679404), (119, 2364180), (130, 2164134), (140, 2009553), (147, 1913860), (156, 1803445), (170, 1654926), (182, 1545810), (195, 1442756), (196, 1435395), (204, 1379105), (210, 1339702), (221, 1273020), (238, 1182090), (245, 1148316), (255, 1103284), (260, 1082067), (273, 1030540), (294, 956930), (340, 827463), (357, 788060), (364, 772905), (390, 721378), (420, 669851), (433, 649740), (442, 636510), (455, 618324), (476, 591045), (490, 574158), (510, 551642), (546, 515270), (588, 478465), (595, 472836), (637, 441660), (663, 424340), (714, 394030), (735, 382772), (780, 360689), (833, 337740), (866, 324870), (884, 318255), (910, 309162), (980, 287079), (1020, 275821), (1092, 257635), (1105, 254604), (1190, 236418), (1274, 220830), (1299, 216580), (1326, 212170), (1365, 206108), (1428, 197015), (1470, 191386), (1547, 181860), (1666, 168870), (1732, 162435), (1785, 157612), (1820, 154581), (1911, 147220), (2165, 129948), (2210, 127302), (2380, 118209), (2499, 112580), (2548, 110415), (2598, 108290), (2652, 106085), (2730, 103054), (2940, 95693), (3031, 92820), (3094, 90930), (3185, 88332), (3315, 84868), (3332, 84435), (3570, 78806), (3822, 73610), (4165, 67548), (4330, 64974), (4420, 63651), (4641, 60620), (4998, 56290), (5196, 54145), (5460, 51527), (5629, 49980), (6062, 46410), (6188, 45465), (6370, 44166), (6495, 43316), (6630, 42434), (7140, 39403), (7361, 38220), (7644, 36805), (7735, 36372), (8330, 33774), (8660, 32487), (9093, 30940), (9282, 30310), (9555, 29444), (9996, 28145), (10829, 25980), (11258, 24990), (12124, 23205), (12495, 22516), (12740, 22083), (12990, 21658), (13260, 21217), (14722, 19110), (15155, 18564), (15470, 18186), (16660, 16887)]