320440770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273881}}^1$

素因数の和:273907

約数の個数: 48

約数和(自身を含む): 897237432

約数和(自身を除く): 576796662

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 273881, 547762, 821643, 1369405, 1643286, 2464929, 2738810, 3560453, 4108215, 4929858, 7120906, 8216430, 10681359, 12324645, 17802265, 21362718, 24649290, 32044077, 35604530, 53406795, 64088154, 106813590, 160220385, 320440770]

約数ペア:

[(1, 320440770), (2, 160220385), (3, 106813590), (5, 64088154), (6, 53406795), (9, 35604530), (10, 32044077), (13, 24649290), (15, 21362718), (18, 17802265), (26, 12324645), (30, 10681359), (39, 8216430), (45, 7120906), (65, 4929858), (78, 4108215), (90, 3560453), (117, 2738810), (130, 2464929), (195, 1643286), (234, 1369405), (390, 821643), (585, 547762), (1170, 273881)]