15090180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 53329920

約数和(自身を除く): 38239740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 61, 62, 70, 76, 84, 93, 95, 105, 114, 122, 124, 133, 140, 155, 183, 186, 190, 210, 217, 228, 244, 266, 285, 305, 310, 366, 372, 380, 399, 420, 427, 434, 465, 532, 570, 589, 610, 620, 651, 665, 732, 798, 854, 868, 915, 930, 1085, 1140, 1159, 1178, 1220, 1281, 1302, 1330, 1596, 1708, 1767, 1830, 1860, 1891, 1995, 2135, 2170, 2318, 2356, 2562, 2604, 2660, 2945, 3255, 3477, 3534, 3660, 3782, 3990, 4123, 4270, 4340, 4636, 5124, 5673, 5795, 5890, 6405, 6510, 6954, 7068, 7564, 7980, 8113, 8246, 8540, 8835, 9455, 11346, 11590, 11780, 12369, 12810, 13020, 13237, 13908, 16226, 16492, 17385, 17670, 18910, 20615, 22692, 23180, 24339, 24738, 25620, 26474, 28365, 32452, 34770, 35340, 35929, 37820, 39711, 40565, 41230, 48678, 49476, 52948, 56730, 61845, 66185, 69540, 71858, 79422, 81130, 82460, 97356, 107787, 113460, 121695, 123690, 132370, 143716, 158844, 162260, 179645, 198555, 215574, 243390, 247380, 251503, 264740, 359290, 397110, 431148, 486780, 503006, 538935, 718580, 754509, 794220, 1006012, 1077870, 1257515, 1509018, 2155740, 2515030, 3018036, 3772545, 5030060, 7545090, 15090180]

約数ペア:

[(1, 15090180), (2, 7545090), (3, 5030060), (4, 3772545), (5, 3018036), (6, 2515030), (7, 2155740), (10, 1509018), (12, 1257515), (14, 1077870), (15, 1006012), (19, 794220), (20, 754509), (21, 718580), (28, 538935), (30, 503006), (31, 486780), (35, 431148), (38, 397110), (42, 359290), (57, 264740), (60, 251503), (61, 247380), (62, 243390), (70, 215574), (76, 198555), (84, 179645), (93, 162260), (95, 158844), (105, 143716), (114, 132370), (122, 123690), (124, 121695), (133, 113460), (140, 107787), (155, 97356), (183, 82460), (186, 81130), (190, 79422), (210, 71858), (217, 69540), (228, 66185), (244, 61845), (266, 56730), (285, 52948), (305, 49476), (310, 48678), (366, 41230), (372, 40565), (380, 39711), (399, 37820), (420, 35929), (427, 35340), (434, 34770), (465, 32452), (532, 28365), (570, 26474), (589, 25620), (610, 24738), (620, 24339), (651, 23180), (665, 22692), (732, 20615), (798, 18910), (854, 17670), (868, 17385), (915, 16492), (930, 16226), (1085, 13908), (1140, 13237), (1159, 13020), (1178, 12810), (1220, 12369), (1281, 11780), (1302, 11590), (1330, 11346), (1596, 9455), (1708, 8835), (1767, 8540), (1830, 8246), (1860, 8113), (1891, 7980), (1995, 7564), (2135, 7068), (2170, 6954), (2318, 6510), (2356, 6405), (2562, 5890), (2604, 5795), (2660, 5673), (2945, 5124), (3255, 4636), (3477, 4340), (3534, 4270), (3660, 4123), (3782, 3990)]