18369540

素因数分解:

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

素因数の和:322

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 46626300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 239, 244, 252, 305, 315, 366, 420, 427, 478, 549, 610, 630, 717, 732, 854, 915, 956, 1098, 1195, 1220, 1260, 1281, 1434, 1673, 1708, 1830, 2135, 2151, 2196, 2390, 2562, 2745, 2868, 3346, 3585, 3660, 3843, 4270, 4302, 4780, 5019, 5124, 5490, 6405, 6692, 7170, 7686, 8365, 8540, 8604, 10038, 10755, 10980, 12810, 14340, 14579, 15057, 15372, 16730, 19215, 20076, 21510, 25095, 25620, 29158, 30114, 33460, 38430, 43020, 43737, 50190, 58316, 60228, 72895, 75285, 76860, 87474, 100380, 102053, 131211, 145790, 150570, 174948, 204106, 218685, 262422, 291580, 301140, 306159, 408212, 437370, 510265, 524844, 612318, 656055, 874740, 918477, 1020530, 1224636, 1312110, 1530795, 1836954, 2041060, 2624220, 3061590, 3673908, 4592385, 6123180, 9184770, 18369540]

約数ペア:

[(1, 18369540), (2, 9184770), (3, 6123180), (4, 4592385), (5, 3673908), (6, 3061590), (7, 2624220), (9, 2041060), (10, 1836954), (12, 1530795), (14, 1312110), (15, 1224636), (18, 1020530), (20, 918477), (21, 874740), (28, 656055), (30, 612318), (35, 524844), (36, 510265), (42, 437370), (45, 408212), (60, 306159), (61, 301140), (63, 291580), (70, 262422), (84, 218685), (90, 204106), (105, 174948), (122, 150570), (126, 145790), (140, 131211), (180, 102053), (183, 100380), (210, 87474), (239, 76860), (244, 75285), (252, 72895), (305, 60228), (315, 58316), (366, 50190), (420, 43737), (427, 43020), (478, 38430), (549, 33460), (610, 30114), (630, 29158), (717, 25620), (732, 25095), (854, 21510), (915, 20076), (956, 19215), (1098, 16730), (1195, 15372), (1220, 15057), (1260, 14579), (1281, 14340), (1434, 12810), (1673, 10980), (1708, 10755), (1830, 10038), (2135, 8604), (2151, 8540), (2196, 8365), (2390, 7686), (2562, 7170), (2745, 6692), (2868, 6405), (3346, 5490), (3585, 5124), (3660, 5019), (3843, 4780), (4270, 4302)]