656790480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1250

約数の個数: 240

約数和(自身を含む): 2380472640

約数和(自身を除く): 1723682160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 48, 57, 60, 72, 76, 80, 82, 90, 95, 114, 120, 123, 144, 152, 164, 171, 180, 190, 205, 228, 240, 246, 285, 304, 328, 342, 360, 369, 380, 410, 456, 492, 570, 615, 656, 684, 720, 738, 760, 779, 820, 855, 912, 984, 1140, 1171, 1230, 1368, 1476, 1520, 1558, 1640, 1710, 1845, 1968, 2280, 2337, 2342, 2460, 2736, 2952, 3116, 3280, 3420, 3513, 3690, 3895, 4560, 4674, 4684, 4920, 5855, 5904, 6232, 6840, 7011, 7026, 7380, 7790, 9348, 9368, 9840, 10539, 11685, 11710, 12464, 13680, 14022, 14052, 14760, 15580, 17565, 18696, 18736, 21078, 22249, 23370, 23420, 28044, 28104, 29520, 31160, 35055, 35130, 37392, 42156, 44498, 46740, 46840, 48011, 52695, 56088, 56208, 62320, 66747, 70110, 70260, 84312, 88996, 93480, 93680, 96022, 105390, 111245, 112176, 133494, 140220, 140520, 144033, 168624, 177992, 186960, 192044, 200241, 210780, 222490, 240055, 266988, 280440, 281040, 288066, 333735, 355984, 384088, 400482, 421560, 432099, 444980, 480110, 533976, 560880, 576132, 667470, 720165, 768176, 800964, 843120, 864198, 889960, 912209, 960220, 1001205, 1067952, 1152264, 1334940, 1440330, 1601928, 1728396, 1779920, 1824418, 1920440, 2002410, 2160495, 2304528, 2669880, 2736627, 2880660, 3203856, 3456792, 3648836, 3840880, 4004820, 4320990, 4561045, 5339760, 5473254, 5761320, 6913584, 7297672, 8009640, 8209881, 8641980, 9122090, 10946508, 11522640, 13683135, 14595344, 16019280, 16419762, 17283960, 18244180, 21893016, 27366270, 32839524, 34567920, 36488360, 41049405, 43786032, 54732540, 65679048, 72976720, 82098810, 109465080, 131358096, 164197620, 218930160, 328395240, 656790480]

約数ペア:

[(1, 656790480), (2, 328395240), (3, 218930160), (4, 164197620), (5, 131358096), (6, 109465080), (8, 82098810), (9, 72976720), (10, 65679048), (12, 54732540), (15, 43786032), (16, 41049405), (18, 36488360), (19, 34567920), (20, 32839524), (24, 27366270), (30, 21893016), (36, 18244180), (38, 17283960), (40, 16419762), (41, 16019280), (45, 14595344), (48, 13683135), (57, 11522640), (60, 10946508), (72, 9122090), (76, 8641980), (80, 8209881), (82, 8009640), (90, 7297672), (95, 6913584), (114, 5761320), (120, 5473254), (123, 5339760), (144, 4561045), (152, 4320990), (164, 4004820), (171, 3840880), (180, 3648836), (190, 3456792), (205, 3203856), (228, 2880660), (240, 2736627), (246, 2669880), (285, 2304528), (304, 2160495), (328, 2002410), (342, 1920440), (360, 1824418), (369, 1779920), (380, 1728396), (410, 1601928), (456, 1440330), (492, 1334940), (570, 1152264), (615, 1067952), (656, 1001205), (684, 960220), (720, 912209), (738, 889960), (760, 864198), (779, 843120), (820, 800964), (855, 768176), (912, 720165), (984, 667470), (1140, 576132), (1171, 560880), (1230, 533976), (1368, 480110), (1476, 444980), (1520, 432099), (1558, 421560), (1640, 400482), (1710, 384088), (1845, 355984), (1968, 333735), (2280, 288066), (2337, 281040), (2342, 280440), (2460, 266988), (2736, 240055), (2952, 222490), (3116, 210780), (3280, 200241), (3420, 192044), (3513, 186960), (3690, 177992), (3895, 168624), (4560, 144033), (4674, 140520), (4684, 140220), (4920, 133494), (5855, 112176), (5904, 111245), (6232, 105390), (6840, 96022), (7011, 93680), (7026, 93480), (7380, 88996), (7790, 84312), (9348, 70260), (9368, 70110), (9840, 66747), (10539, 62320), (11685, 56208), (11710, 56088), (12464, 52695), (13680, 48011), (14022, 46840), (14052, 46740), (14760, 44498), (15580, 42156), (17565, 37392), (18696, 35130), (18736, 35055), (21078, 31160), (22249, 29520), (23370, 28104), (23420, 28044)]