64901340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2752

約数の個数: 144

約数和(自身を含む): 236920320

約数和(自身を除く): 172018980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 2711, 3420, 3990, 4788, 5422, 5985, 7980, 8133, 10844, 11970, 13555, 16266, 18977, 23940, 24399, 27110, 32532, 37954, 40665, 48798, 51509, 54220, 56931, 75908, 81330, 94885, 97596, 103018, 113862, 121995, 154527, 162660, 170793, 189770, 206036, 227724, 243990, 257545, 284655, 309054, 341586, 360563, 379540, 463581, 487980, 515090, 569310, 618108, 683172, 721126, 772635, 853965, 927162, 1030180, 1081689, 1138620, 1442252, 1545270, 1707930, 1802815, 1854324, 2163378, 2317905, 3090540, 3245067, 3415860, 3605630, 4326756, 4635810, 5408445, 6490134, 7211260, 9271620, 10816890, 12980268, 16225335, 21633780, 32450670, 64901340]

約数ペア:

[(1, 64901340), (2, 32450670), (3, 21633780), (4, 16225335), (5, 12980268), (6, 10816890), (7, 9271620), (9, 7211260), (10, 6490134), (12, 5408445), (14, 4635810), (15, 4326756), (18, 3605630), (19, 3415860), (20, 3245067), (21, 3090540), (28, 2317905), (30, 2163378), (35, 1854324), (36, 1802815), (38, 1707930), (42, 1545270), (45, 1442252), (57, 1138620), (60, 1081689), (63, 1030180), (70, 927162), (76, 853965), (84, 772635), (90, 721126), (95, 683172), (105, 618108), (114, 569310), (126, 515090), (133, 487980), (140, 463581), (171, 379540), (180, 360563), (190, 341586), (210, 309054), (228, 284655), (252, 257545), (266, 243990), (285, 227724), (315, 206036), (342, 189770), (380, 170793), (399, 162660), (420, 154527), (532, 121995), (570, 113862), (630, 103018), (665, 97596), (684, 94885), (798, 81330), (855, 75908), (1140, 56931), (1197, 54220), (1260, 51509), (1330, 48798), (1596, 40665), (1710, 37954), (1995, 32532), (2394, 27110), (2660, 24399), (2711, 23940), (3420, 18977), (3990, 16266), (4788, 13555), (5422, 11970), (5985, 10844), (7980, 8133)]