30855420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 101424960

約数和(自身を除く): 70569540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 257, 261, 276, 290, 345, 348, 414, 435, 460, 514, 522, 580, 667, 690, 771, 828, 870, 1028, 1035, 1044, 1285, 1305, 1334, 1380, 1542, 1740, 2001, 2070, 2313, 2570, 2610, 2668, 3084, 3335, 3855, 4002, 4140, 4626, 5140, 5220, 5911, 6003, 6670, 7453, 7710, 8004, 9252, 10005, 11565, 11822, 12006, 13340, 14906, 15420, 17733, 20010, 22359, 23130, 23644, 24012, 29555, 29812, 30015, 35466, 37265, 40020, 44718, 46260, 53199, 59110, 60030, 67077, 70932, 74530, 88665, 89436, 106398, 111795, 118220, 120060, 134154, 149060, 171419, 177330, 212796, 223590, 265995, 268308, 335385, 342838, 354660, 447180, 514257, 531990, 670770, 685676, 857095, 1028514, 1063980, 1341540, 1542771, 1714190, 2057028, 2571285, 3085542, 3428380, 5142570, 6171084, 7713855, 10285140, 15427710, 30855420]

約数ペア:

[(1, 30855420), (2, 15427710), (3, 10285140), (4, 7713855), (5, 6171084), (6, 5142570), (9, 3428380), (10, 3085542), (12, 2571285), (15, 2057028), (18, 1714190), (20, 1542771), (23, 1341540), (29, 1063980), (30, 1028514), (36, 857095), (45, 685676), (46, 670770), (58, 531990), (60, 514257), (69, 447180), (87, 354660), (90, 342838), (92, 335385), (115, 268308), (116, 265995), (138, 223590), (145, 212796), (174, 177330), (180, 171419), (207, 149060), (230, 134154), (257, 120060), (261, 118220), (276, 111795), (290, 106398), (345, 89436), (348, 88665), (414, 74530), (435, 70932), (460, 67077), (514, 60030), (522, 59110), (580, 53199), (667, 46260), (690, 44718), (771, 40020), (828, 37265), (870, 35466), (1028, 30015), (1035, 29812), (1044, 29555), (1285, 24012), (1305, 23644), (1334, 23130), (1380, 22359), (1542, 20010), (1740, 17733), (2001, 15420), (2070, 14906), (2313, 13340), (2570, 12006), (2610, 11822), (2668, 11565), (3084, 10005), (3335, 9252), (3855, 8004), (4002, 7710), (4140, 7453), (4626, 6670), (5140, 6003), (5220, 5911)]