428259780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 1405548144

約数和(自身を除く): 977288364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 397, 461, 468, 585, 780, 794, 922, 1170, 1191, 1383, 1588, 1844, 1985, 2305, 2340, 2382, 2766, 3573, 3970, 4149, 4610, 4764, 5161, 5532, 5955, 5993, 6915, 7146, 7940, 8298, 9220, 10322, 11910, 11986, 13830, 14292, 15483, 16596, 17865, 17979, 20644, 20745, 23820, 23972, 25805, 27660, 29965, 30966, 35730, 35958, 41490, 46449, 51610, 53937, 59930, 61932, 71460, 71916, 77415, 82980, 89895, 92898, 103220, 107874, 119860, 154830, 179790, 183017, 185796, 215748, 232245, 269685, 309660, 359580, 366034, 464490, 539370, 549051, 732068, 915085, 928980, 1078740, 1098102, 1647153, 1830170, 2196204, 2379221, 2745255, 3294306, 3660340, 4758442, 5490510, 6588612, 7137663, 8235765, 9516884, 10981020, 11896105, 14275326, 16471530, 21412989, 23792210, 28550652, 32943060, 35688315, 42825978, 47584420, 71376630, 85651956, 107064945, 142753260, 214129890, 428259780]

約数ペア:

[(1, 428259780), (2, 214129890), (3, 142753260), (4, 107064945), (5, 85651956), (6, 71376630), (9, 47584420), (10, 42825978), (12, 35688315), (13, 32943060), (15, 28550652), (18, 23792210), (20, 21412989), (26, 16471530), (30, 14275326), (36, 11896105), (39, 10981020), (45, 9516884), (52, 8235765), (60, 7137663), (65, 6588612), (78, 5490510), (90, 4758442), (117, 3660340), (130, 3294306), (156, 2745255), (180, 2379221), (195, 2196204), (234, 1830170), (260, 1647153), (390, 1098102), (397, 1078740), (461, 928980), (468, 915085), (585, 732068), (780, 549051), (794, 539370), (922, 464490), (1170, 366034), (1191, 359580), (1383, 309660), (1588, 269685), (1844, 232245), (1985, 215748), (2305, 185796), (2340, 183017), (2382, 179790), (2766, 154830), (3573, 119860), (3970, 107874), (4149, 103220), (4610, 92898), (4764, 89895), (5161, 82980), (5532, 77415), (5955, 71916), (5993, 71460), (6915, 61932), (7146, 59930), (7940, 53937), (8298, 51610), (9220, 46449), (10322, 41490), (11910, 35958), (11986, 35730), (13830, 30966), (14292, 29965), (15483, 27660), (16596, 25805), (17865, 23972), (17979, 23820), (20644, 20745)]