90312040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 256354560

約数和(自身を除く): 166042520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 577, 602, 728, 860, 910, 1118, 1154, 1204, 1505, 1720, 1820, 2236, 2308, 2408, 2795, 2885, 3010, 3640, 3913, 4039, 4472, 4616, 5590, 5770, 6020, 7501, 7826, 8078, 11180, 11540, 12040, 15002, 15652, 16156, 19565, 20195, 22360, 23080, 24811, 30004, 31304, 32312, 37505, 39130, 40390, 49622, 52507, 60008, 75010, 78260, 80780, 99244, 105014, 124055, 150020, 156520, 161560, 173677, 198488, 210028, 248110, 262535, 300040, 322543, 347354, 420056, 496220, 525070, 645086, 694708, 868385, 992440, 1050140, 1290172, 1389416, 1612715, 1736770, 2100280, 2257801, 2580344, 3225430, 3473540, 4515602, 6450860, 6947080, 9031204, 11289005, 12901720, 18062408, 22578010, 45156020, 90312040]

約数ペア:

[(1, 90312040), (2, 45156020), (4, 22578010), (5, 18062408), (7, 12901720), (8, 11289005), (10, 9031204), (13, 6947080), (14, 6450860), (20, 4515602), (26, 3473540), (28, 3225430), (35, 2580344), (40, 2257801), (43, 2100280), (52, 1736770), (56, 1612715), (65, 1389416), (70, 1290172), (86, 1050140), (91, 992440), (104, 868385), (130, 694708), (140, 645086), (172, 525070), (182, 496220), (215, 420056), (260, 347354), (280, 322543), (301, 300040), (344, 262535), (364, 248110), (430, 210028), (455, 198488), (520, 173677), (559, 161560), (577, 156520), (602, 150020), (728, 124055), (860, 105014), (910, 99244), (1118, 80780), (1154, 78260), (1204, 75010), (1505, 60008), (1720, 52507), (1820, 49622), (2236, 40390), (2308, 39130), (2408, 37505), (2795, 32312), (2885, 31304), (3010, 30004), (3640, 24811), (3913, 23080), (4039, 22360), (4472, 20195), (4616, 19565), (5590, 16156), (5770, 15652), (6020, 15002), (7501, 12040), (7826, 11540), (8078, 11180)]