204887640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1337

約数の個数: 128

約数和(自身を含む): 656409600

約数和(自身を除く): 451521960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 146, 152, 190, 219, 228, 285, 292, 365, 380, 438, 456, 570, 584, 730, 760, 876, 1095, 1140, 1231, 1387, 1460, 1752, 2190, 2280, 2462, 2774, 2920, 3693, 4161, 4380, 4924, 5548, 6155, 6935, 7386, 8322, 8760, 9848, 11096, 12310, 13870, 14772, 16644, 18465, 20805, 23389, 24620, 27740, 29544, 33288, 36930, 41610, 46778, 49240, 55480, 70167, 73860, 83220, 89863, 93556, 116945, 140334, 147720, 166440, 179726, 187112, 233890, 269589, 280668, 350835, 359452, 449315, 467780, 539178, 561336, 701670, 718904, 898630, 935560, 1078356, 1347945, 1403340, 1707397, 1797260, 2156712, 2695890, 2806680, 3414794, 3594520, 5122191, 5391780, 6829588, 8536985, 10244382, 10783560, 13659176, 17073970, 20488764, 25610955, 34147940, 40977528, 51221910, 68295880, 102443820, 204887640]

約数ペア:

[(1, 204887640), (2, 102443820), (3, 68295880), (4, 51221910), (5, 40977528), (6, 34147940), (8, 25610955), (10, 20488764), (12, 17073970), (15, 13659176), (19, 10783560), (20, 10244382), (24, 8536985), (30, 6829588), (38, 5391780), (40, 5122191), (57, 3594520), (60, 3414794), (73, 2806680), (76, 2695890), (95, 2156712), (114, 1797260), (120, 1707397), (146, 1403340), (152, 1347945), (190, 1078356), (219, 935560), (228, 898630), (285, 718904), (292, 701670), (365, 561336), (380, 539178), (438, 467780), (456, 449315), (570, 359452), (584, 350835), (730, 280668), (760, 269589), (876, 233890), (1095, 187112), (1140, 179726), (1231, 166440), (1387, 147720), (1460, 140334), (1752, 116945), (2190, 93556), (2280, 89863), (2462, 83220), (2774, 73860), (2920, 70167), (3693, 55480), (4161, 49240), (4380, 46778), (4924, 41610), (5548, 36930), (6155, 33288), (6935, 29544), (7386, 27740), (8322, 24620), (8760, 23389), (9848, 20805), (11096, 18465), (12310, 16644), (13870, 14772)]