72678320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6390

約数の個数: 80

約数和(自身を含む): 198549792

約数和(自身を除く): 125871472

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 6353, 11440, 12706, 25412, 31765, 50824, 63530, 69883, 82589, 101648, 127060, 139766, 165178, 254120, 279532, 330356, 349415, 412945, 508240, 559064, 660712, 698830, 825890, 908479, 1118128, 1321424, 1397660, 1651780, 1816958, 2795320, 3303560, 3633916, 4542395, 5590640, 6607120, 7267832, 9084790, 14535664, 18169580, 36339160, 72678320]

約数ペア:

[(1, 72678320), (2, 36339160), (4, 18169580), (5, 14535664), (8, 9084790), (10, 7267832), (11, 6607120), (13, 5590640), (16, 4542395), (20, 3633916), (22, 3303560), (26, 2795320), (40, 1816958), (44, 1651780), (52, 1397660), (55, 1321424), (65, 1118128), (80, 908479), (88, 825890), (104, 698830), (110, 660712), (130, 559064), (143, 508240), (176, 412945), (208, 349415), (220, 330356), (260, 279532), (286, 254120), (440, 165178), (520, 139766), (572, 127060), (715, 101648), (880, 82589), (1040, 69883), (1144, 63530), (1430, 50824), (2288, 31765), (2860, 25412), (5720, 12706), (6353, 11440)]