638702940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1783

約数の個数: 96

約数和(自身を含む): 1835507520

約数和(自身を除く): 1196804580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 109, 122, 183, 218, 244, 305, 327, 366, 436, 545, 610, 654, 732, 915, 1090, 1220, 1308, 1601, 1635, 1830, 2180, 3202, 3270, 3660, 4803, 6404, 6540, 6649, 8005, 9606, 13298, 16010, 19212, 19947, 24015, 26596, 32020, 33245, 39894, 48030, 66490, 79788, 96060, 97661, 99735, 132980, 174509, 195322, 199470, 292983, 349018, 390644, 398940, 488305, 523527, 585966, 698036, 872545, 976610, 1047054, 1171932, 1464915, 1745090, 1953220, 2094108, 2617635, 2929830, 3490180, 5235270, 5859660, 10470540, 10645049, 21290098, 31935147, 42580196, 53225245, 63870294, 106450490, 127740588, 159675735, 212900980, 319351470, 638702940]

約数ペア:

[(1, 638702940), (2, 319351470), (3, 212900980), (4, 159675735), (5, 127740588), (6, 106450490), (10, 63870294), (12, 53225245), (15, 42580196), (20, 31935147), (30, 21290098), (60, 10645049), (61, 10470540), (109, 5859660), (122, 5235270), (183, 3490180), (218, 2929830), (244, 2617635), (305, 2094108), (327, 1953220), (366, 1745090), (436, 1464915), (545, 1171932), (610, 1047054), (654, 976610), (732, 872545), (915, 698036), (1090, 585966), (1220, 523527), (1308, 488305), (1601, 398940), (1635, 390644), (1830, 349018), (2180, 292983), (3202, 199470), (3270, 195322), (3660, 174509), (4803, 132980), (6404, 99735), (6540, 97661), (6649, 96060), (8005, 79788), (9606, 66490), (13298, 48030), (16010, 39894), (19212, 33245), (19947, 32020), (24015, 26596)]