90197406

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 219360960

約数和(自身を除く): 129163554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 71, 78, 89, 117, 122, 142, 178, 183, 213, 234, 267, 366, 426, 534, 549, 639, 793, 801, 923, 1098, 1157, 1278, 1586, 1602, 1846, 2314, 2379, 2769, 3471, 4331, 4758, 5429, 5538, 6319, 6942, 7137, 8307, 8662, 10413, 10858, 12638, 12993, 14274, 16287, 16614, 18957, 20826, 25986, 32574, 37914, 38979, 48861, 56303, 56871, 70577, 77958, 82147, 97722, 112606, 113742, 141154, 164294, 168909, 211731, 246441, 337818, 385459, 423462, 492882, 506727, 635193, 739323, 770918, 1013454, 1156377, 1270386, 1478646, 2312754, 3469131, 5010967, 6938262, 10021934, 15032901, 30065802, 45098703, 90197406]

約数ペア:

[(1, 90197406), (2, 45098703), (3, 30065802), (6, 15032901), (9, 10021934), (13, 6938262), (18, 5010967), (26, 3469131), (39, 2312754), (61, 1478646), (71, 1270386), (78, 1156377), (89, 1013454), (117, 770918), (122, 739323), (142, 635193), (178, 506727), (183, 492882), (213, 423462), (234, 385459), (267, 337818), (366, 246441), (426, 211731), (534, 168909), (549, 164294), (639, 141154), (793, 113742), (801, 112606), (923, 97722), (1098, 82147), (1157, 77958), (1278, 70577), (1586, 56871), (1602, 56303), (1846, 48861), (2314, 38979), (2379, 37914), (2769, 32574), (3471, 25986), (4331, 20826), (4758, 18957), (5429, 16614), (5538, 16287), (6319, 14274), (6942, 12993), (7137, 12638), (8307, 10858), (8662, 10413)]