90216180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 299033280

約数和(自身を除く): 208817100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 977, 1026, 1140, 1215, 1539, 1620, 1710, 1954, 2052, 2430, 2565, 2931, 3078, 3420, 3908, 4617, 4860, 4885, 5130, 5862, 6156, 7695, 8793, 9234, 9770, 10260, 11724, 14655, 15390, 17586, 18468, 18563, 19540, 23085, 26379, 29310, 30780, 35172, 37126, 43965, 46170, 52758, 55689, 58620, 74252, 79137, 87930, 92340, 92815, 105516, 111378, 131895, 158274, 167067, 175860, 185630, 222756, 237411, 263790, 278445, 316548, 334134, 371260, 395685, 474822, 501201, 527580, 556890, 668268, 791370, 835335, 949644, 1002402, 1113780, 1187055, 1503603, 1582740, 1670670, 2004804, 2374110, 2506005, 3007206, 3341340, 4510809, 4748220, 5012010, 6014412, 7518015, 9021618, 10024020, 15036030, 18043236, 22554045, 30072060, 45108090, 90216180]

約数ペア:

[(1, 90216180), (2, 45108090), (3, 30072060), (4, 22554045), (5, 18043236), (6, 15036030), (9, 10024020), (10, 9021618), (12, 7518015), (15, 6014412), (18, 5012010), (19, 4748220), (20, 4510809), (27, 3341340), (30, 3007206), (36, 2506005), (38, 2374110), (45, 2004804), (54, 1670670), (57, 1582740), (60, 1503603), (76, 1187055), (81, 1113780), (90, 1002402), (95, 949644), (108, 835335), (114, 791370), (135, 668268), (162, 556890), (171, 527580), (180, 501201), (190, 474822), (228, 395685), (243, 371260), (270, 334134), (285, 316548), (324, 278445), (342, 263790), (380, 237411), (405, 222756), (486, 185630), (513, 175860), (540, 167067), (570, 158274), (684, 131895), (810, 111378), (855, 105516), (972, 92815), (977, 92340), (1026, 87930), (1140, 79137), (1215, 74252), (1539, 58620), (1620, 55689), (1710, 52758), (1954, 46170), (2052, 43965), (2430, 37126), (2565, 35172), (2931, 30780), (3078, 29310), (3420, 26379), (3908, 23085), (4617, 19540), (4860, 18563), (4885, 18468), (5130, 17586), (5862, 15390), (6156, 14655), (7695, 11724), (8793, 10260), (9234, 9770)]