15020640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 240

約数和(自身を含む): 56715120

約数和(自身を除く): 41694480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 61, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 122, 135, 144, 152, 160, 162, 171, 180, 183, 190, 216, 228, 240, 244, 270, 285, 288, 304, 305, 324, 342, 360, 366, 380, 405, 432, 456, 480, 488, 513, 540, 549, 570, 608, 610, 648, 684, 720, 732, 760, 810, 855, 864, 912, 915, 976, 1026, 1080, 1098, 1140, 1159, 1220, 1296, 1368, 1440, 1464, 1520, 1539, 1620, 1647, 1710, 1824, 1830, 1952, 2052, 2160, 2196, 2280, 2318, 2440, 2565, 2592, 2736, 2745, 2928, 3040, 3078, 3240, 3294, 3420, 3477, 3660, 4104, 4320, 4392, 4560, 4636, 4880, 4941, 5130, 5472, 5490, 5795, 5856, 6156, 6480, 6588, 6840, 6954, 7320, 7695, 8208, 8235, 8784, 9120, 9272, 9760, 9882, 10260, 10431, 10980, 11590, 12312, 12960, 13176, 13680, 13908, 14640, 15390, 16416, 16470, 17385, 17568, 18544, 19764, 20520, 20862, 21960, 23180, 24624, 24705, 26352, 27360, 27816, 29280, 30780, 31293, 32940, 34770, 37088, 39528, 41040, 41724, 43920, 46360, 49248, 49410, 52155, 52704, 55632, 61560, 62586, 65880, 69540, 79056, 82080, 83448, 87840, 92720, 93879, 98820, 104310, 111264, 123120, 125172, 131760, 139080, 156465, 158112, 166896, 185440, 187758, 197640, 208620, 246240, 250344, 263520, 278160, 312930, 333792, 375516, 395280, 417240, 469395, 500688, 556320, 625860, 751032, 790560, 834480, 938790, 1001376, 1251720, 1502064, 1668960, 1877580, 2503440, 3004128, 3755160, 5006880, 7510320, 15020640]

約数ペア:

[(1, 15020640), (2, 7510320), (3, 5006880), (4, 3755160), (5, 3004128), (6, 2503440), (8, 1877580), (9, 1668960), (10, 1502064), (12, 1251720), (15, 1001376), (16, 938790), (18, 834480), (19, 790560), (20, 751032), (24, 625860), (27, 556320), (30, 500688), (32, 469395), (36, 417240), (38, 395280), (40, 375516), (45, 333792), (48, 312930), (54, 278160), (57, 263520), (60, 250344), (61, 246240), (72, 208620), (76, 197640), (80, 187758), (81, 185440), (90, 166896), (95, 158112), (96, 156465), (108, 139080), (114, 131760), (120, 125172), (122, 123120), (135, 111264), (144, 104310), (152, 98820), (160, 93879), (162, 92720), (171, 87840), (180, 83448), (183, 82080), (190, 79056), (216, 69540), (228, 65880), (240, 62586), (244, 61560), (270, 55632), (285, 52704), (288, 52155), (304, 49410), (305, 49248), (324, 46360), (342, 43920), (360, 41724), (366, 41040), (380, 39528), (405, 37088), (432, 34770), (456, 32940), (480, 31293), (488, 30780), (513, 29280), (540, 27816), (549, 27360), (570, 26352), (608, 24705), (610, 24624), (648, 23180), (684, 21960), (720, 20862), (732, 20520), (760, 19764), (810, 18544), (855, 17568), (864, 17385), (912, 16470), (915, 16416), (976, 15390), (1026, 14640), (1080, 13908), (1098, 13680), (1140, 13176), (1159, 12960), (1220, 12312), (1296, 11590), (1368, 10980), (1440, 10431), (1464, 10260), (1520, 9882), (1539, 9760), (1620, 9272), (1647, 9120), (1710, 8784), (1824, 8235), (1830, 8208), (1952, 7695), (2052, 7320), (2160, 6954), (2196, 6840), (2280, 6588), (2318, 6480), (2440, 6156), (2565, 5856), (2592, 5795), (2736, 5490), (2745, 5472), (2928, 5130), (3040, 4941), (3078, 4880), (3240, 4636), (3294, 4560), (3420, 4392), (3477, 4320), (3660, 4104)]