64293390

素因数分解:

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

素因数の和:327

約数の個数: 144

約数和(自身を含む): 198469440

約数和(自身を除く): 134176050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 61, 63, 70, 90, 98, 105, 122, 126, 147, 183, 210, 239, 245, 294, 305, 315, 366, 427, 441, 478, 490, 549, 610, 630, 717, 735, 854, 882, 915, 1098, 1195, 1281, 1434, 1470, 1673, 1830, 2135, 2151, 2205, 2390, 2562, 2745, 2989, 3346, 3585, 3843, 4270, 4302, 4410, 5019, 5490, 5978, 6405, 7170, 7686, 8365, 8967, 10038, 10755, 11711, 12810, 14579, 14945, 15057, 16730, 17934, 19215, 21510, 23422, 25095, 26901, 29158, 29890, 30114, 35133, 38430, 43737, 44835, 50190, 53802, 58555, 70266, 72895, 75285, 87474, 89670, 102053, 105399, 117110, 131211, 134505, 145790, 150570, 175665, 204106, 210798, 218685, 262422, 269010, 306159, 351330, 437370, 510265, 526995, 612318, 656055, 714371, 918477, 1020530, 1053990, 1312110, 1428742, 1530795, 1836954, 2143113, 3061590, 3571855, 4286226, 4592385, 6429339, 7143710, 9184770, 10715565, 12858678, 21431130, 32146695, 64293390]

約数ペア:

[(1, 64293390), (2, 32146695), (3, 21431130), (5, 12858678), (6, 10715565), (7, 9184770), (9, 7143710), (10, 6429339), (14, 4592385), (15, 4286226), (18, 3571855), (21, 3061590), (30, 2143113), (35, 1836954), (42, 1530795), (45, 1428742), (49, 1312110), (61, 1053990), (63, 1020530), (70, 918477), (90, 714371), (98, 656055), (105, 612318), (122, 526995), (126, 510265), (147, 437370), (183, 351330), (210, 306159), (239, 269010), (245, 262422), (294, 218685), (305, 210798), (315, 204106), (366, 175665), (427, 150570), (441, 145790), (478, 134505), (490, 131211), (549, 117110), (610, 105399), (630, 102053), (717, 89670), (735, 87474), (854, 75285), (882, 72895), (915, 70266), (1098, 58555), (1195, 53802), (1281, 50190), (1434, 44835), (1470, 43737), (1673, 38430), (1830, 35133), (2135, 30114), (2151, 29890), (2205, 29158), (2390, 26901), (2562, 25095), (2745, 23422), (2989, 21510), (3346, 19215), (3585, 17934), (3843, 16730), (4270, 15057), (4302, 14945), (4410, 14579), (5019, 12810), (5490, 11711), (5978, 10755), (6405, 10038), (7170, 8967), (7686, 8365)]