201681960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 649296000

約数和(自身を除く): 447614040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 265, 285, 318, 380, 424, 456, 530, 570, 636, 760, 795, 1007, 1060, 1140, 1272, 1590, 1669, 2014, 2120, 2280, 3021, 3180, 3338, 4028, 5007, 5035, 6042, 6360, 6676, 8056, 8345, 10014, 10070, 12084, 13352, 15105, 16690, 20028, 20140, 24168, 25035, 30210, 31711, 33380, 40056, 40280, 50070, 60420, 63422, 66760, 88457, 95133, 100140, 120840, 126844, 158555, 176914, 190266, 200280, 253688, 265371, 317110, 353828, 380532, 442285, 475665, 530742, 634220, 707656, 761064, 884570, 951330, 1061484, 1268440, 1326855, 1680683, 1769140, 1902660, 2122968, 2653710, 3361366, 3538280, 3805320, 5042049, 5307420, 6722732, 8403415, 10084098, 10614840, 13445464, 16806830, 20168196, 25210245, 33613660, 40336392, 50420490, 67227320, 100840980, 201681960]

約数ペア:

[(1, 201681960), (2, 100840980), (3, 67227320), (4, 50420490), (5, 40336392), (6, 33613660), (8, 25210245), (10, 20168196), (12, 16806830), (15, 13445464), (19, 10614840), (20, 10084098), (24, 8403415), (30, 6722732), (38, 5307420), (40, 5042049), (53, 3805320), (57, 3538280), (60, 3361366), (76, 2653710), (95, 2122968), (106, 1902660), (114, 1769140), (120, 1680683), (152, 1326855), (159, 1268440), (190, 1061484), (212, 951330), (228, 884570), (265, 761064), (285, 707656), (318, 634220), (380, 530742), (424, 475665), (456, 442285), (530, 380532), (570, 353828), (636, 317110), (760, 265371), (795, 253688), (1007, 200280), (1060, 190266), (1140, 176914), (1272, 158555), (1590, 126844), (1669, 120840), (2014, 100140), (2120, 95133), (2280, 88457), (3021, 66760), (3180, 63422), (3338, 60420), (4028, 50070), (5007, 40280), (5035, 40056), (6042, 33380), (6360, 31711), (6676, 30210), (8056, 25035), (8345, 24168), (10014, 20140), (10070, 20028), (12084, 16690), (13352, 15105)]