74578140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 289860480

約数和(自身を除く): 215282340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 42, 45, 52, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 116, 117, 126, 130, 140, 145, 156, 157, 174, 180, 182, 195, 203, 210, 234, 252, 260, 261, 273, 290, 314, 315, 348, 364, 377, 390, 406, 420, 435, 455, 468, 471, 522, 546, 580, 585, 609, 628, 630, 754, 780, 785, 812, 819, 870, 910, 942, 1015, 1044, 1092, 1099, 1131, 1170, 1218, 1260, 1305, 1365, 1413, 1508, 1570, 1638, 1740, 1820, 1827, 1884, 1885, 2030, 2041, 2198, 2262, 2340, 2355, 2436, 2610, 2639, 2730, 2826, 3045, 3140, 3276, 3297, 3393, 3654, 3770, 4060, 4082, 4095, 4396, 4524, 4553, 4710, 5220, 5278, 5460, 5495, 5652, 5655, 6090, 6123, 6594, 6786, 7065, 7308, 7540, 7917, 8164, 8190, 9106, 9135, 9420, 9891, 10205, 10556, 10990, 11310, 12180, 12246, 13188, 13195, 13572, 13659, 14130, 14287, 15834, 16380, 16485, 16965, 18212, 18270, 18369, 19782, 20410, 21980, 22620, 22765, 23751, 24492, 26390, 27318, 28260, 28574, 30615, 31668, 31871, 32970, 33930, 36540, 36738, 39564, 39585, 40820, 40977, 42861, 45530, 47502, 49455, 52780, 54636, 57148, 59189, 61230, 63742, 65940, 67860, 68295, 71435, 73476, 79170, 81954, 85722, 91060, 91845, 95004, 95613, 98910, 118378, 118755, 122460, 127484, 128583, 136590, 142870, 158340, 159355, 163908, 171444, 177567, 183690, 191226, 197820, 204885, 214305, 236756, 237510, 257166, 273180, 285740, 286839, 295945, 318710, 355134, 367380, 382452, 409770, 414323, 428610, 475020, 478065, 514332, 532701, 573678, 591890, 637420, 642915, 710268, 819540, 828646, 857220, 887835, 956130, 1065402, 1147356, 1183780, 1242969, 1285830, 1434195, 1657292, 1775670, 1912260, 2071615, 2130804, 2485938, 2571660, 2663505, 2868390, 3551340, 3728907, 4143230, 4971876, 5327010, 5736780, 6214845, 7457814, 8286460, 10654020, 12429690, 14915628, 18644535, 24859380, 37289070, 74578140]

約数ペア:

[(1, 74578140), (2, 37289070), (3, 24859380), (4, 18644535), (5, 14915628), (6, 12429690), (7, 10654020), (9, 8286460), (10, 7457814), (12, 6214845), (13, 5736780), (14, 5327010), (15, 4971876), (18, 4143230), (20, 3728907), (21, 3551340), (26, 2868390), (28, 2663505), (29, 2571660), (30, 2485938), (35, 2130804), (36, 2071615), (39, 1912260), (42, 1775670), (45, 1657292), (52, 1434195), (58, 1285830), (60, 1242969), (63, 1183780), (65, 1147356), (70, 1065402), (78, 956130), (84, 887835), (87, 857220), (90, 828646), (91, 819540), (105, 710268), (116, 642915), (117, 637420), (126, 591890), (130, 573678), (140, 532701), (145, 514332), (156, 478065), (157, 475020), (174, 428610), (180, 414323), (182, 409770), (195, 382452), (203, 367380), (210, 355134), (234, 318710), (252, 295945), (260, 286839), (261, 285740), (273, 273180), (290, 257166), (314, 237510), (315, 236756), (348, 214305), (364, 204885), (377, 197820), (390, 191226), (406, 183690), (420, 177567), (435, 171444), (455, 163908), (468, 159355), (471, 158340), (522, 142870), (546, 136590), (580, 128583), (585, 127484), (609, 122460), (628, 118755), (630, 118378), (754, 98910), (780, 95613), (785, 95004), (812, 91845), (819, 91060), (870, 85722), (910, 81954), (942, 79170), (1015, 73476), (1044, 71435), (1092, 68295), (1099, 67860), (1131, 65940), (1170, 63742), (1218, 61230), (1260, 59189), (1305, 57148), (1365, 54636), (1413, 52780), (1508, 49455), (1570, 47502), (1638, 45530), (1740, 42861), (1820, 40977), (1827, 40820), (1884, 39585), (1885, 39564), (2030, 36738), (2041, 36540), (2198, 33930), (2262, 32970), (2340, 31871), (2355, 31668), (2436, 30615), (2610, 28574), (2639, 28260), (2730, 27318), (2826, 26390), (3045, 24492), (3140, 23751), (3276, 22765), (3297, 22620), (3393, 21980), (3654, 20410), (3770, 19782), (4060, 18369), (4082, 18270), (4095, 18212), (4396, 16965), (4524, 16485), (4553, 16380), (4710, 15834), (5220, 14287), (5278, 14130), (5460, 13659), (5495, 13572), (5652, 13195), (5655, 13188), (6090, 12246), (6123, 12180), (6594, 11310), (6786, 10990), (7065, 10556), (7308, 10205), (7540, 9891), (7917, 9420), (8164, 9135), (8190, 9106)]