878860980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{4967}}^1$

素因数の和:5965

約数の個数: 72

約数和(自身を含む): 2669127552

約数和(自身を除く): 1790266572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 983, 1966, 2949, 3932, 4915, 4967, 5898, 8847, 9830, 9934, 11796, 14745, 14901, 17694, 19660, 19868, 24835, 29490, 29802, 35388, 44235, 44703, 49670, 58980, 59604, 74505, 88470, 89406, 99340, 149010, 176940, 178812, 223515, 298020, 447030, 894060, 4882561, 9765122, 14647683, 19530244, 24412805, 29295366, 43943049, 48825610, 58590732, 73238415, 87886098, 97651220, 146476830, 175772196, 219715245, 292953660, 439430490, 878860980]

約数ペア:

[(1, 878860980), (2, 439430490), (3, 292953660), (4, 219715245), (5, 175772196), (6, 146476830), (9, 97651220), (10, 87886098), (12, 73238415), (15, 58590732), (18, 48825610), (20, 43943049), (30, 29295366), (36, 24412805), (45, 19530244), (60, 14647683), (90, 9765122), (180, 4882561), (983, 894060), (1966, 447030), (2949, 298020), (3932, 223515), (4915, 178812), (4967, 176940), (5898, 149010), (8847, 99340), (9830, 89406), (9934, 88470), (11796, 74505), (14745, 59604), (14901, 58980), (17694, 49670), (19660, 44703), (19868, 44235), (24835, 35388), (29490, 29802)]