321837880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:798

約数の個数: 192

約数和(自身を含む): 961813440

約数和(自身を除く): 639975560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 85, 91, 98, 104, 119, 130, 136, 140, 170, 182, 196, 221, 238, 245, 260, 280, 340, 364, 392, 442, 455, 476, 490, 520, 595, 637, 680, 728, 743, 833, 884, 910, 952, 980, 1105, 1190, 1274, 1486, 1547, 1666, 1768, 1820, 1960, 2210, 2380, 2548, 2972, 3094, 3185, 3332, 3640, 3715, 4165, 4420, 4760, 5096, 5201, 5944, 6188, 6370, 6664, 7430, 7735, 8330, 8840, 9659, 10402, 10829, 12376, 12631, 12740, 14860, 15470, 16660, 19318, 20804, 21658, 25262, 25480, 26005, 29720, 30940, 33320, 36407, 38636, 41608, 43316, 48295, 50524, 52010, 54145, 61880, 63155, 67613, 72814, 77272, 86632, 88417, 96590, 101048, 104020, 108290, 126310, 135226, 145628, 164203, 176834, 182035, 193180, 208040, 216580, 252620, 270452, 291256, 328406, 338065, 353668, 364070, 386360, 433160, 442085, 473291, 505240, 540904, 618919, 656812, 676130, 707336, 728140, 821015, 884170, 946582, 1149421, 1237838, 1313624, 1352260, 1456280, 1642030, 1768340, 1893164, 2298842, 2366455, 2475676, 2704520, 3094595, 3284060, 3536680, 3786328, 4597684, 4732910, 4951352, 5747105, 6189190, 6568120, 8045947, 9195368, 9465820, 11494210, 12378380, 16091894, 18931640, 22988420, 24756760, 32183788, 40229735, 45976840, 64367576, 80459470, 160918940, 321837880]

約数ペア:

[(1, 321837880), (2, 160918940), (4, 80459470), (5, 64367576), (7, 45976840), (8, 40229735), (10, 32183788), (13, 24756760), (14, 22988420), (17, 18931640), (20, 16091894), (26, 12378380), (28, 11494210), (34, 9465820), (35, 9195368), (40, 8045947), (49, 6568120), (52, 6189190), (56, 5747105), (65, 4951352), (68, 4732910), (70, 4597684), (85, 3786328), (91, 3536680), (98, 3284060), (104, 3094595), (119, 2704520), (130, 2475676), (136, 2366455), (140, 2298842), (170, 1893164), (182, 1768340), (196, 1642030), (221, 1456280), (238, 1352260), (245, 1313624), (260, 1237838), (280, 1149421), (340, 946582), (364, 884170), (392, 821015), (442, 728140), (455, 707336), (476, 676130), (490, 656812), (520, 618919), (595, 540904), (637, 505240), (680, 473291), (728, 442085), (743, 433160), (833, 386360), (884, 364070), (910, 353668), (952, 338065), (980, 328406), (1105, 291256), (1190, 270452), (1274, 252620), (1486, 216580), (1547, 208040), (1666, 193180), (1768, 182035), (1820, 176834), (1960, 164203), (2210, 145628), (2380, 135226), (2548, 126310), (2972, 108290), (3094, 104020), (3185, 101048), (3332, 96590), (3640, 88417), (3715, 86632), (4165, 77272), (4420, 72814), (4760, 67613), (5096, 63155), (5201, 61880), (5944, 54145), (6188, 52010), (6370, 50524), (6664, 48295), (7430, 43316), (7735, 41608), (8330, 38636), (8840, 36407), (9659, 33320), (10402, 30940), (10829, 29720), (12376, 26005), (12631, 25480), (12740, 25262), (14860, 21658), (15470, 20804), (16660, 19318)]