27001780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 66679200

約数和(自身を除く): 39677420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 149, 164, 170, 205, 221, 260, 298, 340, 410, 442, 533, 596, 697, 745, 820, 884, 1066, 1105, 1394, 1490, 1937, 2132, 2210, 2533, 2665, 2788, 2980, 3485, 3874, 4420, 5066, 5330, 6109, 6970, 7748, 9061, 9685, 10132, 10660, 12218, 12665, 13940, 18122, 19370, 24436, 25330, 30545, 32929, 36244, 38740, 45305, 50660, 61090, 65858, 79417, 90610, 103853, 122180, 131716, 158834, 164645, 181220, 207706, 317668, 329290, 397085, 415412, 519265, 658580, 794170, 1038530, 1350089, 1588340, 2077060, 2700178, 5400356, 6750445, 13500890, 27001780]

約数ペア:

[(1, 27001780), (2, 13500890), (4, 6750445), (5, 5400356), (10, 2700178), (13, 2077060), (17, 1588340), (20, 1350089), (26, 1038530), (34, 794170), (41, 658580), (52, 519265), (65, 415412), (68, 397085), (82, 329290), (85, 317668), (130, 207706), (149, 181220), (164, 164645), (170, 158834), (205, 131716), (221, 122180), (260, 103853), (298, 90610), (340, 79417), (410, 65858), (442, 61090), (533, 50660), (596, 45305), (697, 38740), (745, 36244), (820, 32929), (884, 30545), (1066, 25330), (1105, 24436), (1394, 19370), (1490, 18122), (1937, 13940), (2132, 12665), (2210, 12218), (2533, 10660), (2665, 10132), (2788, 9685), (2980, 9061), (3485, 7748), (3874, 6970), (4420, 6109), (5066, 5330)]