15002020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 37537920

約数和(自身を除く): 22535900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 97, 110, 148, 185, 190, 194, 209, 220, 370, 380, 388, 407, 418, 485, 703, 740, 814, 836, 970, 1045, 1067, 1406, 1628, 1843, 1940, 2035, 2090, 2134, 2812, 3515, 3589, 3686, 4070, 4180, 4268, 5335, 7030, 7178, 7372, 7733, 8140, 9215, 10670, 14060, 14356, 15466, 17945, 18430, 20273, 21340, 30932, 35890, 36860, 38665, 39479, 40546, 68191, 71780, 77330, 78958, 81092, 101365, 136382, 154660, 157916, 197395, 202730, 272764, 340955, 394790, 405460, 681910, 750101, 789580, 1363820, 1500202, 3000404, 3750505, 7501010, 15002020]

約数ペア:

[(1, 15002020), (2, 7501010), (4, 3750505), (5, 3000404), (10, 1500202), (11, 1363820), (19, 789580), (20, 750101), (22, 681910), (37, 405460), (38, 394790), (44, 340955), (55, 272764), (74, 202730), (76, 197395), (95, 157916), (97, 154660), (110, 136382), (148, 101365), (185, 81092), (190, 78958), (194, 77330), (209, 71780), (220, 68191), (370, 40546), (380, 39479), (388, 38665), (407, 36860), (418, 35890), (485, 30932), (703, 21340), (740, 20273), (814, 18430), (836, 17945), (970, 15466), (1045, 14356), (1067, 14060), (1406, 10670), (1628, 9215), (1843, 8140), (1940, 7733), (2035, 7372), (2090, 7178), (2134, 7030), (2812, 5335), (3515, 4268), (3589, 4180), (3686, 4070)]