74799990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 212284800

約数和(自身を除く): 137484810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 41, 45, 54, 58, 82, 87, 90, 123, 135, 145, 174, 205, 233, 246, 261, 270, 290, 369, 410, 435, 466, 522, 615, 699, 738, 783, 870, 1107, 1165, 1189, 1230, 1305, 1398, 1566, 1845, 2097, 2214, 2330, 2378, 2610, 3495, 3567, 3690, 3915, 4194, 5535, 5945, 6291, 6757, 6990, 7134, 7830, 9553, 10485, 10701, 11070, 11890, 12582, 13514, 17835, 19106, 20271, 20970, 21402, 28659, 31455, 32103, 33785, 35670, 40542, 47765, 53505, 57318, 60813, 62910, 64206, 67570, 85977, 95530, 101355, 107010, 121626, 143295, 160515, 171954, 182439, 202710, 257931, 277037, 286590, 304065, 321030, 364878, 429885, 515862, 554074, 608130, 831111, 859770, 912195, 1289655, 1385185, 1662222, 1824390, 2493333, 2579310, 2770370, 4155555, 4986666, 7479999, 8311110, 12466665, 14959998, 24933330, 37399995, 74799990]

約数ペア:

[(1, 74799990), (2, 37399995), (3, 24933330), (5, 14959998), (6, 12466665), (9, 8311110), (10, 7479999), (15, 4986666), (18, 4155555), (27, 2770370), (29, 2579310), (30, 2493333), (41, 1824390), (45, 1662222), (54, 1385185), (58, 1289655), (82, 912195), (87, 859770), (90, 831111), (123, 608130), (135, 554074), (145, 515862), (174, 429885), (205, 364878), (233, 321030), (246, 304065), (261, 286590), (270, 277037), (290, 257931), (369, 202710), (410, 182439), (435, 171954), (466, 160515), (522, 143295), (615, 121626), (699, 107010), (738, 101355), (783, 95530), (870, 85977), (1107, 67570), (1165, 64206), (1189, 62910), (1230, 60813), (1305, 57318), (1398, 53505), (1566, 47765), (1845, 40542), (2097, 35670), (2214, 33785), (2330, 32103), (2378, 31455), (2610, 28659), (3495, 21402), (3567, 20970), (3690, 20271), (3915, 19106), (4194, 17835), (5535, 13514), (5945, 12582), (6291, 11890), (6757, 11070), (6990, 10701), (7134, 10485), (7830, 9553)]