256004190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 775075392

約数和(自身を除く): 519071202

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 61, 65, 78, 85, 90, 102, 117, 122, 130, 153, 170, 183, 195, 211, 221, 234, 255, 305, 306, 366, 390, 422, 442, 510, 549, 585, 610, 633, 663, 765, 793, 915, 1037, 1055, 1098, 1105, 1170, 1266, 1326, 1530, 1586, 1830, 1899, 1989, 2074, 2110, 2210, 2379, 2743, 2745, 3111, 3165, 3315, 3587, 3798, 3965, 3978, 4758, 5185, 5486, 5490, 6222, 6330, 6630, 7137, 7174, 7930, 8229, 9333, 9495, 9945, 10370, 10761, 11895, 12871, 13481, 13715, 14274, 15555, 16458, 17935, 18666, 18990, 19890, 21522, 23790, 24687, 25742, 26962, 27430, 31110, 32283, 35685, 35870, 38613, 40443, 41145, 46631, 46665, 49374, 53805, 64355, 64566, 67405, 71370, 77226, 80886, 82290, 93262, 93330, 107610, 115839, 121329, 123435, 128710, 134810, 139893, 161415, 167323, 193065, 202215, 218807, 231678, 233155, 242658, 246870, 279786, 322830, 334646, 386130, 404430, 419679, 437614, 466310, 501969, 579195, 606645, 656421, 699465, 836615, 839358, 1003938, 1094035, 1158390, 1213290, 1312842, 1398930, 1505907, 1673230, 1969263, 2098395, 2188070, 2509845, 2844491, 3011814, 3282105, 3938526, 4196790, 5019690, 5688982, 6564210, 7529535, 8533473, 9846315, 14222455, 15059070, 17066946, 19692630, 25600419, 28444910, 42667365, 51200838, 85334730, 128002095, 256004190]

約数ペア:

[(1, 256004190), (2, 128002095), (3, 85334730), (5, 51200838), (6, 42667365), (9, 28444910), (10, 25600419), (13, 19692630), (15, 17066946), (17, 15059070), (18, 14222455), (26, 9846315), (30, 8533473), (34, 7529535), (39, 6564210), (45, 5688982), (51, 5019690), (61, 4196790), (65, 3938526), (78, 3282105), (85, 3011814), (90, 2844491), (102, 2509845), (117, 2188070), (122, 2098395), (130, 1969263), (153, 1673230), (170, 1505907), (183, 1398930), (195, 1312842), (211, 1213290), (221, 1158390), (234, 1094035), (255, 1003938), (305, 839358), (306, 836615), (366, 699465), (390, 656421), (422, 606645), (442, 579195), (510, 501969), (549, 466310), (585, 437614), (610, 419679), (633, 404430), (663, 386130), (765, 334646), (793, 322830), (915, 279786), (1037, 246870), (1055, 242658), (1098, 233155), (1105, 231678), (1170, 218807), (1266, 202215), (1326, 193065), (1530, 167323), (1586, 161415), (1830, 139893), (1899, 134810), (1989, 128710), (2074, 123435), (2110, 121329), (2210, 115839), (2379, 107610), (2743, 93330), (2745, 93262), (3111, 82290), (3165, 80886), (3315, 77226), (3587, 71370), (3798, 67405), (3965, 64566), (3978, 64355), (4758, 53805), (5185, 49374), (5486, 46665), (5490, 46631), (6222, 41145), (6330, 40443), (6630, 38613), (7137, 35870), (7174, 35685), (7930, 32283), (8229, 31110), (9333, 27430), (9495, 26962), (9945, 25742), (10370, 24687), (10761, 23790), (11895, 21522), (12871, 19890), (13481, 18990), (13715, 18666), (14274, 17935), (15555, 16458)]