428238840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9127}}^1$

素因数の和:9181

約数の個数: 128

約数和(自身を含む): 1419586560

約数和(自身を除く): 991347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9127, 9384, 11730, 15640, 18254, 23460, 27381, 36508, 45635, 46920, 54762, 73016, 91270, 109524, 136905, 155159, 182540, 209921, 219048, 273810, 310318, 365080, 419842, 465477, 547620, 620636, 629763, 775795, 839684, 930954, 1049605, 1095240, 1241272, 1259526, 1551590, 1679368, 1861908, 2099210, 2327385, 2519052, 3103180, 3148815, 3568657, 3723816, 4198420, 4654770, 5038104, 6206360, 6297630, 7137314, 8396840, 9309540, 10705971, 12595260, 14274628, 17843285, 18619080, 21411942, 25190520, 28549256, 35686570, 42823884, 53529855, 71373140, 85647768, 107059710, 142746280, 214119420, 428238840]

約数ペア:

[(1, 428238840), (2, 214119420), (3, 142746280), (4, 107059710), (5, 85647768), (6, 71373140), (8, 53529855), (10, 42823884), (12, 35686570), (15, 28549256), (17, 25190520), (20, 21411942), (23, 18619080), (24, 17843285), (30, 14274628), (34, 12595260), (40, 10705971), (46, 9309540), (51, 8396840), (60, 7137314), (68, 6297630), (69, 6206360), (85, 5038104), (92, 4654770), (102, 4198420), (115, 3723816), (120, 3568657), (136, 3148815), (138, 3103180), (170, 2519052), (184, 2327385), (204, 2099210), (230, 1861908), (255, 1679368), (276, 1551590), (340, 1259526), (345, 1241272), (391, 1095240), (408, 1049605), (460, 930954), (510, 839684), (552, 775795), (680, 629763), (690, 620636), (782, 547620), (920, 465477), (1020, 419842), (1173, 365080), (1380, 310318), (1564, 273810), (1955, 219048), (2040, 209921), (2346, 182540), (2760, 155159), (3128, 136905), (3910, 109524), (4692, 91270), (5865, 73016), (7820, 54762), (9127, 46920), (9384, 45635), (11730, 36508), (15640, 27381), (18254, 23460)]