128586780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 216

約数和(自身を含む): 463095360

約数和(自身を除く): 334508580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 239, 244, 245, 252, 294, 305, 315, 366, 420, 427, 441, 478, 490, 549, 588, 610, 630, 717, 732, 735, 854, 882, 915, 956, 980, 1098, 1195, 1220, 1260, 1281, 1434, 1470, 1673, 1708, 1764, 1830, 2135, 2151, 2196, 2205, 2390, 2562, 2745, 2868, 2940, 2989, 3346, 3585, 3660, 3843, 4270, 4302, 4410, 4780, 5019, 5124, 5490, 5978, 6405, 6692, 7170, 7686, 8365, 8540, 8604, 8820, 8967, 10038, 10755, 10980, 11711, 11956, 12810, 14340, 14579, 14945, 15057, 15372, 16730, 17934, 19215, 20076, 21510, 23422, 25095, 25620, 26901, 29158, 29890, 30114, 33460, 35133, 35868, 38430, 43020, 43737, 44835, 46844, 50190, 53802, 58316, 58555, 59780, 60228, 70266, 72895, 75285, 76860, 87474, 89670, 100380, 102053, 105399, 107604, 117110, 131211, 134505, 140532, 145790, 150570, 174948, 175665, 179340, 204106, 210798, 218685, 234220, 262422, 269010, 291580, 301140, 306159, 351330, 408212, 421596, 437370, 510265, 524844, 526995, 538020, 612318, 656055, 702660, 714371, 874740, 918477, 1020530, 1053990, 1224636, 1312110, 1428742, 1530795, 1836954, 2041060, 2107980, 2143113, 2624220, 2857484, 3061590, 3571855, 3673908, 4286226, 4592385, 6123180, 6429339, 7143710, 8572452, 9184770, 10715565, 12858678, 14287420, 18369540, 21431130, 25717356, 32146695, 42862260, 64293390, 128586780]

約数ペア:

[(1, 128586780), (2, 64293390), (3, 42862260), (4, 32146695), (5, 25717356), (6, 21431130), (7, 18369540), (9, 14287420), (10, 12858678), (12, 10715565), (14, 9184770), (15, 8572452), (18, 7143710), (20, 6429339), (21, 6123180), (28, 4592385), (30, 4286226), (35, 3673908), (36, 3571855), (42, 3061590), (45, 2857484), (49, 2624220), (60, 2143113), (61, 2107980), (63, 2041060), (70, 1836954), (84, 1530795), (90, 1428742), (98, 1312110), (105, 1224636), (122, 1053990), (126, 1020530), (140, 918477), (147, 874740), (180, 714371), (183, 702660), (196, 656055), (210, 612318), (239, 538020), (244, 526995), (245, 524844), (252, 510265), (294, 437370), (305, 421596), (315, 408212), (366, 351330), (420, 306159), (427, 301140), (441, 291580), (478, 269010), (490, 262422), (549, 234220), (588, 218685), (610, 210798), (630, 204106), (717, 179340), (732, 175665), (735, 174948), (854, 150570), (882, 145790), (915, 140532), (956, 134505), (980, 131211), (1098, 117110), (1195, 107604), (1220, 105399), (1260, 102053), (1281, 100380), (1434, 89670), (1470, 87474), (1673, 76860), (1708, 75285), (1764, 72895), (1830, 70266), (2135, 60228), (2151, 59780), (2196, 58555), (2205, 58316), (2390, 53802), (2562, 50190), (2745, 46844), (2868, 44835), (2940, 43737), (2989, 43020), (3346, 38430), (3585, 35868), (3660, 35133), (3843, 33460), (4270, 30114), (4302, 29890), (4410, 29158), (4780, 26901), (5019, 25620), (5124, 25095), (5490, 23422), (5978, 21510), (6405, 20076), (6692, 19215), (7170, 17934), (7686, 16730), (8365, 15372), (8540, 15057), (8604, 14945), (8820, 14579), (8967, 14340), (10038, 12810), (10755, 11956), (10980, 11711)]