220233720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1357

約数の個数: 128

約数和(自身を含む): 758937600

約数和(自身を除く): 538703880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1097, 1195, 1434, 1673, 1912, 2194, 2390, 2868, 3291, 3346, 3585, 4388, 4780, 5019, 5485, 5736, 6582, 6692, 7170, 7679, 8365, 8776, 9560, 10038, 10970, 13164, 13384, 14340, 15358, 16455, 16730, 20076, 21940, 23037, 25095, 26328, 28680, 30716, 32910, 33460, 38395, 40152, 43880, 46074, 50190, 61432, 65820, 66920, 76790, 92148, 100380, 115185, 131640, 153580, 184296, 200760, 230370, 262183, 307160, 460740, 524366, 786549, 921480, 1048732, 1310915, 1573098, 1835281, 2097464, 2621830, 3146196, 3670562, 3932745, 5243660, 5505843, 6292392, 7341124, 7865490, 9176405, 10487320, 11011686, 14682248, 15730980, 18352810, 22023372, 27529215, 31461960, 36705620, 44046744, 55058430, 73411240, 110116860, 220233720]

約数ペア:

[(1, 220233720), (2, 110116860), (3, 73411240), (4, 55058430), (5, 44046744), (6, 36705620), (7, 31461960), (8, 27529215), (10, 22023372), (12, 18352810), (14, 15730980), (15, 14682248), (20, 11011686), (21, 10487320), (24, 9176405), (28, 7865490), (30, 7341124), (35, 6292392), (40, 5505843), (42, 5243660), (56, 3932745), (60, 3670562), (70, 3146196), (84, 2621830), (105, 2097464), (120, 1835281), (140, 1573098), (168, 1310915), (210, 1048732), (239, 921480), (280, 786549), (420, 524366), (478, 460740), (717, 307160), (840, 262183), (956, 230370), (1097, 200760), (1195, 184296), (1434, 153580), (1673, 131640), (1912, 115185), (2194, 100380), (2390, 92148), (2868, 76790), (3291, 66920), (3346, 65820), (3585, 61432), (4388, 50190), (4780, 46074), (5019, 43880), (5485, 40152), (5736, 38395), (6582, 33460), (6692, 32910), (7170, 30716), (7679, 28680), (8365, 26328), (8776, 25095), (9560, 23037), (10038, 21940), (10970, 20076), (13164, 16730), (13384, 16455), (14340, 15358)]