303958720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2418

約数の個数: 112

約数和(自身を含む): 804964608

約数和(自身を除く): 501005888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2357, 2480, 3224, 4030, 4160, 4714, 4960, 6448, 8060, 9428, 9920, 11785, 12896, 16120, 18856, 23570, 25792, 30641, 32240, 37712, 47140, 61282, 64480, 73067, 75424, 94280, 122564, 128960, 146134, 150848, 153205, 188560, 245128, 292268, 306410, 365335, 377120, 490256, 584536, 612820, 730670, 754240, 949871, 980512, 1169072, 1225640, 1461340, 1899742, 1961024, 2338144, 2451280, 2922680, 3799484, 4676288, 4749355, 4902560, 5845360, 7598968, 9498710, 9805120, 11690720, 15197936, 18997420, 23381440, 30395872, 37994840, 60791744, 75989680, 151979360, 303958720]

約数ペア:

[(1, 303958720), (2, 151979360), (4, 75989680), (5, 60791744), (8, 37994840), (10, 30395872), (13, 23381440), (16, 18997420), (20, 15197936), (26, 11690720), (31, 9805120), (32, 9498710), (40, 7598968), (52, 5845360), (62, 4902560), (64, 4749355), (65, 4676288), (80, 3799484), (104, 2922680), (124, 2451280), (130, 2338144), (155, 1961024), (160, 1899742), (208, 1461340), (248, 1225640), (260, 1169072), (310, 980512), (320, 949871), (403, 754240), (416, 730670), (496, 612820), (520, 584536), (620, 490256), (806, 377120), (832, 365335), (992, 306410), (1040, 292268), (1240, 245128), (1612, 188560), (1984, 153205), (2015, 150848), (2080, 146134), (2357, 128960), (2480, 122564), (3224, 94280), (4030, 75424), (4160, 73067), (4714, 64480), (4960, 61282), (6448, 47140), (8060, 37712), (9428, 32240), (9920, 30641), (11785, 25792), (12896, 23570), (16120, 18856)]