72478620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 108

約数和(自身を含む): 227714760

約数和(自身を除く): 155236140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 419, 465, 558, 620, 838, 930, 961, 1116, 1257, 1395, 1676, 1860, 1922, 2095, 2514, 2790, 2883, 3771, 3844, 4190, 4805, 5028, 5580, 5766, 6285, 7542, 8380, 8649, 9610, 11532, 12570, 12989, 14415, 15084, 17298, 18855, 19220, 25140, 25978, 28830, 34596, 37710, 38967, 43245, 51956, 57660, 64945, 75420, 77934, 86490, 116901, 129890, 155868, 172980, 194835, 233802, 259780, 389670, 402659, 467604, 584505, 779340, 805318, 1169010, 1207977, 1610636, 2013295, 2338020, 2415954, 3623931, 4026590, 4831908, 6039885, 7247862, 8053180, 12079770, 14495724, 18119655, 24159540, 36239310, 72478620]

約数ペア:

[(1, 72478620), (2, 36239310), (3, 24159540), (4, 18119655), (5, 14495724), (6, 12079770), (9, 8053180), (10, 7247862), (12, 6039885), (15, 4831908), (18, 4026590), (20, 3623931), (30, 2415954), (31, 2338020), (36, 2013295), (45, 1610636), (60, 1207977), (62, 1169010), (90, 805318), (93, 779340), (124, 584505), (155, 467604), (180, 402659), (186, 389670), (279, 259780), (310, 233802), (372, 194835), (419, 172980), (465, 155868), (558, 129890), (620, 116901), (838, 86490), (930, 77934), (961, 75420), (1116, 64945), (1257, 57660), (1395, 51956), (1676, 43245), (1860, 38967), (1922, 37710), (2095, 34596), (2514, 28830), (2790, 25978), (2883, 25140), (3771, 19220), (3844, 18855), (4190, 17298), (4805, 15084), (5028, 14415), (5580, 12989), (5766, 12570), (6285, 11532), (7542, 9610), (8380, 8649)]