72300280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 176470560

約数和(自身を除く): 104170280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 853, 1304, 1630, 1706, 2119, 3260, 3412, 4238, 4265, 6520, 6824, 8476, 8530, 10595, 11089, 16952, 17060, 21190, 22178, 34120, 42380, 44356, 55445, 84760, 88712, 110890, 139039, 221780, 278078, 443560, 556156, 695195, 1112312, 1390390, 1807507, 2780780, 3615014, 5561560, 7230028, 9037535, 14460056, 18075070, 36150140, 72300280]

約数ペア:

[(1, 72300280), (2, 36150140), (4, 18075070), (5, 14460056), (8, 9037535), (10, 7230028), (13, 5561560), (20, 3615014), (26, 2780780), (40, 1807507), (52, 1390390), (65, 1112312), (104, 695195), (130, 556156), (163, 443560), (260, 278078), (326, 221780), (520, 139039), (652, 110890), (815, 88712), (853, 84760), (1304, 55445), (1630, 44356), (1706, 42380), (2119, 34120), (3260, 22178), (3412, 21190), (4238, 17060), (4265, 16952), (6520, 11089), (6824, 10595), (8476, 8530)]