19618645120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{12517}}^1$

素因数の和:12646

約数の個数: 128

約数和(自身を含む): 49030502400

約数和(自身を除く): 29411857280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1580, 1984, 2449, 2480, 2528, 3160, 3968, 4898, 4960, 5056, 6320, 9796, 9920, 10112, 12245, 12517, 12640, 19592, 19840, 24490, 25034, 25280, 39184, 48980, 50068, 50560, 62585, 78368, 97960, 100136, 125170, 156736, 195920, 200272, 250340, 313472, 388027, 391840, 400544, 500680, 776054, 783680, 801088, 988843, 1001360, 1552108, 1567360, 1602176, 1940135, 1977686, 2002720, 3104216, 3880270, 3955372, 4005440, 4944215, 6208432, 7760540, 7910744, 8010880, 9888430, 12416864, 15521080, 15821488, 19776860, 24833728, 30654133, 31042160, 31642976, 39553720, 49667456, 61308266, 62084320, 63285952, 79107440, 122616532, 124168640, 126571904, 153270665, 158214880, 245233064, 248337280, 306541330, 316429760, 490466128, 613082660, 632859520, 980932256, 1226165320, 1961864512, 2452330640, 3923729024, 4904661280, 9809322560, 19618645120]

約数ペア:

[(1, 19618645120), (2, 9809322560), (4, 4904661280), (5, 3923729024), (8, 2452330640), (10, 1961864512), (16, 1226165320), (20, 980932256), (31, 632859520), (32, 613082660), (40, 490466128), (62, 316429760), (64, 306541330), (79, 248337280), (80, 245233064), (124, 158214880), (128, 153270665), (155, 126571904), (158, 124168640), (160, 122616532), (248, 79107440), (310, 63285952), (316, 62084320), (320, 61308266), (395, 49667456), (496, 39553720), (620, 31642976), (632, 31042160), (640, 30654133), (790, 24833728), (992, 19776860), (1240, 15821488), (1264, 15521080), (1580, 12416864), (1984, 9888430), (2449, 8010880), (2480, 7910744), (2528, 7760540), (3160, 6208432), (3968, 4944215), (4898, 4005440), (4960, 3955372), (5056, 3880270), (6320, 3104216), (9796, 2002720), (9920, 1977686), (10112, 1940135), (12245, 1602176), (12517, 1567360), (12640, 1552108), (19592, 1001360), (19840, 988843), (24490, 801088), (25034, 783680), (25280, 776054), (39184, 500680), (48980, 400544), (50068, 391840), (50560, 388027), (62585, 313472), (78368, 250340), (97960, 200272), (100136, 195920), (125170, 156736)]