724804020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211931}}^1$

素因数の和:211965

約数の個数: 72

約数和(自身を含む): 2314297440

約数和(自身を除く): 1589493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 211931, 423862, 635793, 847724, 1059655, 1271586, 1907379, 2119310, 2543172, 3178965, 3814758, 4026689, 4238620, 6357930, 7629516, 8053378, 9536895, 12080067, 12715860, 16106756, 19073790, 20133445, 24160134, 36240201, 38147580, 40266890, 48320268, 60400335, 72480402, 80533780, 120800670, 144960804, 181201005, 241601340, 362402010, 724804020]

約数ペア:

[(1, 724804020), (2, 362402010), (3, 241601340), (4, 181201005), (5, 144960804), (6, 120800670), (9, 80533780), (10, 72480402), (12, 60400335), (15, 48320268), (18, 40266890), (19, 38147580), (20, 36240201), (30, 24160134), (36, 20133445), (38, 19073790), (45, 16106756), (57, 12715860), (60, 12080067), (76, 9536895), (90, 8053378), (95, 7629516), (114, 6357930), (171, 4238620), (180, 4026689), (190, 3814758), (228, 3178965), (285, 2543172), (342, 2119310), (380, 1907379), (570, 1271586), (684, 1059655), (855, 847724), (1140, 635793), (1710, 423862), (3420, 211931)]