128570454

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 308904960

約数和(自身を除く): 180334506

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 67, 93, 114, 134, 171, 181, 186, 201, 279, 342, 362, 402, 543, 558, 589, 603, 1086, 1178, 1206, 1273, 1629, 1767, 2077, 2546, 3258, 3439, 3534, 3819, 4154, 5301, 5611, 6231, 6878, 7638, 10317, 10602, 11222, 11457, 12127, 12462, 16833, 18693, 20634, 22914, 24254, 30951, 33666, 36381, 37386, 39463, 50499, 61902, 72762, 78926, 100998, 106609, 109143, 118389, 213218, 218286, 230413, 236778, 319827, 355167, 375937, 460826, 639654, 691239, 710334, 751874, 959481, 1127811, 1382478, 1918962, 2073717, 2255622, 3383433, 4147434, 6766866, 7142803, 14285606, 21428409, 42856818, 64285227, 128570454]

約数ペア:

[(1, 128570454), (2, 64285227), (3, 42856818), (6, 21428409), (9, 14285606), (18, 7142803), (19, 6766866), (31, 4147434), (38, 3383433), (57, 2255622), (62, 2073717), (67, 1918962), (93, 1382478), (114, 1127811), (134, 959481), (171, 751874), (181, 710334), (186, 691239), (201, 639654), (279, 460826), (342, 375937), (362, 355167), (402, 319827), (543, 236778), (558, 230413), (589, 218286), (603, 213218), (1086, 118389), (1178, 109143), (1206, 106609), (1273, 100998), (1629, 78926), (1767, 72762), (2077, 61902), (2546, 50499), (3258, 39463), (3439, 37386), (3534, 36381), (3819, 33666), (4154, 30951), (5301, 24254), (5611, 22914), (6231, 20634), (6878, 18693), (7638, 16833), (10317, 12462), (10602, 12127), (11222, 11457)]