123404220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11239}}^1$

素因数の和:11315

約数の個数: 72

約数和(自身を含む): 380496480

約数和(自身を除く): 257092260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11239, 22478, 33717, 44956, 56195, 67434, 101151, 112390, 134868, 168585, 202302, 224780, 337170, 404604, 505755, 674340, 685579, 1011510, 1371158, 2023020, 2056737, 2742316, 3427895, 4113474, 6170211, 6855790, 8226948, 10283685, 12340422, 13711580, 20567370, 24680844, 30851055, 41134740, 61702110, 123404220]

約数ペア:

[(1, 123404220), (2, 61702110), (3, 41134740), (4, 30851055), (5, 24680844), (6, 20567370), (9, 13711580), (10, 12340422), (12, 10283685), (15, 8226948), (18, 6855790), (20, 6170211), (30, 4113474), (36, 3427895), (45, 2742316), (60, 2056737), (61, 2023020), (90, 1371158), (122, 1011510), (180, 685579), (183, 674340), (244, 505755), (305, 404604), (366, 337170), (549, 224780), (610, 202302), (732, 168585), (915, 134868), (1098, 112390), (1220, 101151), (1830, 67434), (2196, 56195), (2745, 44956), (3660, 33717), (5490, 22478), (10980, 11239)]