1918781670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12583}}^1$

素因数の和:12646

約数の個数: 128

約数和(自身を含む): 5479778304

約数和(自身を除く): 3560996634

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 23, 26, 30, 34, 39, 46, 51, 65, 69, 78, 85, 102, 115, 130, 138, 170, 195, 221, 230, 255, 299, 345, 390, 391, 442, 510, 598, 663, 690, 782, 897, 1105, 1173, 1326, 1495, 1794, 1955, 2210, 2346, 2990, 3315, 3910, 4485, 5083, 5865, 6630, 8970, 10166, 11730, 12583, 15249, 25166, 25415, 30498, 37749, 50830, 62915, 75498, 76245, 125830, 152490, 163579, 188745, 213911, 289409, 327158, 377490, 427822, 490737, 578818, 641733, 817895, 868227, 981474, 1069555, 1283466, 1447045, 1635790, 1736454, 2139110, 2453685, 2780843, 2894090, 3208665, 3762317, 4341135, 4907370, 4919953, 5561686, 6417330, 7524634, 8342529, 8682270, 9839906, 11286951, 13904215, 14759859, 16685058, 18811585, 22573902, 24599765, 27808430, 29519718, 37623170, 41712645, 49199530, 56434755, 63959389, 73799295, 83425290, 112869510, 127918778, 147598590, 191878167, 319796945, 383756334, 639593890, 959390835, 1918781670]

約数ペア:

[(1, 1918781670), (2, 959390835), (3, 639593890), (5, 383756334), (6, 319796945), (10, 191878167), (13, 147598590), (15, 127918778), (17, 112869510), (23, 83425290), (26, 73799295), (30, 63959389), (34, 56434755), (39, 49199530), (46, 41712645), (51, 37623170), (65, 29519718), (69, 27808430), (78, 24599765), (85, 22573902), (102, 18811585), (115, 16685058), (130, 14759859), (138, 13904215), (170, 11286951), (195, 9839906), (221, 8682270), (230, 8342529), (255, 7524634), (299, 6417330), (345, 5561686), (390, 4919953), (391, 4907370), (442, 4341135), (510, 3762317), (598, 3208665), (663, 2894090), (690, 2780843), (782, 2453685), (897, 2139110), (1105, 1736454), (1173, 1635790), (1326, 1447045), (1495, 1283466), (1794, 1069555), (1955, 981474), (2210, 868227), (2346, 817895), (2990, 641733), (3315, 578818), (3910, 490737), (4485, 427822), (5083, 377490), (5865, 327158), (6630, 289409), (8970, 213911), (10166, 188745), (11730, 163579), (12583, 152490), (15249, 125830), (25166, 76245), (25415, 75498), (30498, 62915), (37749, 50830)]