30615900

素因数分解:

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

素因数の和:324

約数の個数: 144

約数和(自身を含む): 103326720

約数和(自身を除く): 72710820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 61, 70, 75, 84, 100, 105, 122, 140, 150, 175, 183, 210, 239, 244, 300, 305, 350, 366, 420, 427, 478, 525, 610, 700, 717, 732, 854, 915, 956, 1050, 1195, 1220, 1281, 1434, 1525, 1673, 1708, 1830, 2100, 2135, 2390, 2562, 2868, 3050, 3346, 3585, 3660, 4270, 4575, 4780, 5019, 5124, 5975, 6100, 6405, 6692, 7170, 8365, 8540, 9150, 10038, 10675, 11950, 12810, 14340, 14579, 16730, 17925, 18300, 20076, 21350, 23900, 25095, 25620, 29158, 32025, 33460, 35850, 41825, 42700, 43737, 50190, 58316, 64050, 71700, 72895, 83650, 87474, 100380, 102053, 125475, 128100, 145790, 167300, 174948, 204106, 218685, 250950, 291580, 306159, 364475, 408212, 437370, 501900, 510265, 612318, 728950, 874740, 1020530, 1093425, 1224636, 1457900, 1530795, 2041060, 2186850, 2551325, 3061590, 4373700, 5102650, 6123180, 7653975, 10205300, 15307950, 30615900]

約数ペア:

[(1, 30615900), (2, 15307950), (3, 10205300), (4, 7653975), (5, 6123180), (6, 5102650), (7, 4373700), (10, 3061590), (12, 2551325), (14, 2186850), (15, 2041060), (20, 1530795), (21, 1457900), (25, 1224636), (28, 1093425), (30, 1020530), (35, 874740), (42, 728950), (50, 612318), (60, 510265), (61, 501900), (70, 437370), (75, 408212), (84, 364475), (100, 306159), (105, 291580), (122, 250950), (140, 218685), (150, 204106), (175, 174948), (183, 167300), (210, 145790), (239, 128100), (244, 125475), (300, 102053), (305, 100380), (350, 87474), (366, 83650), (420, 72895), (427, 71700), (478, 64050), (525, 58316), (610, 50190), (700, 43737), (717, 42700), (732, 41825), (854, 35850), (915, 33460), (956, 32025), (1050, 29158), (1195, 25620), (1220, 25095), (1281, 23900), (1434, 21350), (1525, 20076), (1673, 18300), (1708, 17925), (1830, 16730), (2100, 14579), (2135, 14340), (2390, 12810), (2562, 11950), (2868, 10675), (3050, 10038), (3346, 9150), (3585, 8540), (3660, 8365), (4270, 7170), (4575, 6692), (4780, 6405), (5019, 6100), (5124, 5975)]