81574500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 288078336

約数和(自身を除く): 206503836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 125, 140, 150, 170, 175, 204, 210, 238, 250, 255, 300, 340, 350, 357, 375, 420, 425, 457, 476, 500, 510, 525, 595, 700, 714, 750, 850, 875, 914, 1020, 1050, 1190, 1275, 1371, 1428, 1500, 1700, 1750, 1785, 1828, 2100, 2125, 2285, 2380, 2550, 2625, 2742, 2975, 3199, 3500, 3570, 4250, 4570, 5100, 5250, 5484, 5950, 6375, 6398, 6855, 7140, 7769, 8500, 8925, 9140, 9597, 10500, 11425, 11900, 12750, 12796, 13710, 14875, 15538, 15995, 17850, 19194, 22850, 23307, 25500, 27420, 29750, 31076, 31990, 34275, 35700, 38388, 38845, 44625, 45700, 46614, 47985, 54383, 57125, 59500, 63980, 68550, 77690, 79975, 89250, 93228, 95970, 108766, 114250, 116535, 137100, 155380, 159950, 163149, 171375, 178500, 191940, 194225, 217532, 228500, 233070, 239925, 271915, 319900, 326298, 342750, 388450, 399875, 466140, 479850, 543830, 582675, 652596, 685500, 776900, 799750, 815745, 959700, 971125, 1087660, 1165350, 1199625, 1359575, 1599500, 1631490, 1942250, 2330700, 2399250, 2719150, 2913375, 3262980, 3884500, 4078725, 4798500, 5438300, 5826750, 6797875, 8157450, 11653500, 13595750, 16314900, 20393625, 27191500, 40787250, 81574500]

約数ペア:

[(1, 81574500), (2, 40787250), (3, 27191500), (4, 20393625), (5, 16314900), (6, 13595750), (7, 11653500), (10, 8157450), (12, 6797875), (14, 5826750), (15, 5438300), (17, 4798500), (20, 4078725), (21, 3884500), (25, 3262980), (28, 2913375), (30, 2719150), (34, 2399250), (35, 2330700), (42, 1942250), (50, 1631490), (51, 1599500), (60, 1359575), (68, 1199625), (70, 1165350), (75, 1087660), (84, 971125), (85, 959700), (100, 815745), (102, 799750), (105, 776900), (119, 685500), (125, 652596), (140, 582675), (150, 543830), (170, 479850), (175, 466140), (204, 399875), (210, 388450), (238, 342750), (250, 326298), (255, 319900), (300, 271915), (340, 239925), (350, 233070), (357, 228500), (375, 217532), (420, 194225), (425, 191940), (457, 178500), (476, 171375), (500, 163149), (510, 159950), (525, 155380), (595, 137100), (700, 116535), (714, 114250), (750, 108766), (850, 95970), (875, 93228), (914, 89250), (1020, 79975), (1050, 77690), (1190, 68550), (1275, 63980), (1371, 59500), (1428, 57125), (1500, 54383), (1700, 47985), (1750, 46614), (1785, 45700), (1828, 44625), (2100, 38845), (2125, 38388), (2285, 35700), (2380, 34275), (2550, 31990), (2625, 31076), (2742, 29750), (2975, 27420), (3199, 25500), (3500, 23307), (3570, 22850), (4250, 19194), (4570, 17850), (5100, 15995), (5250, 15538), (5484, 14875), (5950, 13710), (6375, 12796), (6398, 12750), (6855, 11900), (7140, 11425), (7769, 10500), (8500, 9597), (8925, 9140)]