15665503420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{189977}}^1$

素因数の和:190043

約数の個数: 96

約数和(自身を含む): 40852869120

約数和(自身を除く): 25187365700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2660, 2945, 4123, 4340, 5890, 8246, 11780, 16492, 20615, 41230, 82460, 189977, 379954, 759908, 949885, 1329839, 1899770, 2659678, 3609563, 3799540, 5319356, 5889287, 6649195, 7219126, 11778574, 13298390, 14438252, 18047815, 23557148, 25266941, 26596780, 29446435, 36095630, 41225009, 50533882, 58892870, 72191260, 82450018, 101067764, 111896453, 117785740, 126334705, 164900036, 206125045, 223792906, 252669410, 412250090, 447585812, 505338820, 559482265, 783275171, 824500180, 1118964530, 1566550342, 2237929060, 3133100684, 3916375855, 7832751710, 15665503420]

約数ペア:

[(1, 15665503420), (2, 7832751710), (4, 3916375855), (5, 3133100684), (7, 2237929060), (10, 1566550342), (14, 1118964530), (19, 824500180), (20, 783275171), (28, 559482265), (31, 505338820), (35, 447585812), (38, 412250090), (62, 252669410), (70, 223792906), (76, 206125045), (95, 164900036), (124, 126334705), (133, 117785740), (140, 111896453), (155, 101067764), (190, 82450018), (217, 72191260), (266, 58892870), (310, 50533882), (380, 41225009), (434, 36095630), (532, 29446435), (589, 26596780), (620, 25266941), (665, 23557148), (868, 18047815), (1085, 14438252), (1178, 13298390), (1330, 11778574), (2170, 7219126), (2356, 6649195), (2660, 5889287), (2945, 5319356), (4123, 3799540), (4340, 3609563), (5890, 2659678), (8246, 1899770), (11780, 1329839), (16492, 949885), (20615, 759908), (41230, 379954), (82460, 189977)]