15420240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 59371200

約数和(自身を除く): 43950960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 59, 60, 66, 72, 80, 88, 90, 99, 108, 110, 118, 120, 121, 132, 135, 144, 165, 176, 177, 180, 198, 216, 220, 236, 240, 242, 264, 270, 295, 297, 330, 354, 360, 363, 396, 432, 440, 472, 484, 495, 528, 531, 540, 590, 594, 605, 649, 660, 708, 720, 726, 792, 880, 885, 944, 968, 990, 1062, 1080, 1089, 1180, 1188, 1210, 1298, 1320, 1416, 1452, 1485, 1584, 1593, 1770, 1815, 1936, 1947, 1980, 2124, 2160, 2178, 2360, 2376, 2420, 2596, 2640, 2655, 2832, 2904, 2970, 3186, 3245, 3267, 3540, 3630, 3894, 3960, 4248, 4356, 4720, 4752, 4840, 5192, 5310, 5445, 5808, 5841, 5940, 6372, 6490, 6534, 7080, 7139, 7260, 7788, 7920, 7965, 8496, 8712, 9680, 9735, 10384, 10620, 10890, 11682, 11880, 12744, 12980, 13068, 14160, 14278, 14520, 15576, 15930, 16335, 17424, 17523, 19470, 21240, 21417, 21780, 23364, 23760, 25488, 25960, 26136, 28556, 29040, 29205, 31152, 31860, 32670, 35046, 35695, 38940, 42480, 42834, 43560, 46728, 51920, 52272, 57112, 58410, 63720, 64251, 65340, 70092, 71390, 77880, 85668, 87120, 87615, 93456, 107085, 114224, 116820, 127440, 128502, 130680, 140184, 142780, 155760, 171336, 175230, 192753, 214170, 233640, 257004, 261360, 280368, 285560, 321255, 342672, 350460, 385506, 428340, 467280, 514008, 571120, 642510, 700920, 771012, 856680, 963765, 1028016, 1285020, 1401840, 1542024, 1713360, 1927530, 2570040, 3084048, 3855060, 5140080, 7710120, 15420240]

約数ペア:

[(1, 15420240), (2, 7710120), (3, 5140080), (4, 3855060), (5, 3084048), (6, 2570040), (8, 1927530), (9, 1713360), (10, 1542024), (11, 1401840), (12, 1285020), (15, 1028016), (16, 963765), (18, 856680), (20, 771012), (22, 700920), (24, 642510), (27, 571120), (30, 514008), (33, 467280), (36, 428340), (40, 385506), (44, 350460), (45, 342672), (48, 321255), (54, 285560), (55, 280368), (59, 261360), (60, 257004), (66, 233640), (72, 214170), (80, 192753), (88, 175230), (90, 171336), (99, 155760), (108, 142780), (110, 140184), (118, 130680), (120, 128502), (121, 127440), (132, 116820), (135, 114224), (144, 107085), (165, 93456), (176, 87615), (177, 87120), (180, 85668), (198, 77880), (216, 71390), (220, 70092), (236, 65340), (240, 64251), (242, 63720), (264, 58410), (270, 57112), (295, 52272), (297, 51920), (330, 46728), (354, 43560), (360, 42834), (363, 42480), (396, 38940), (432, 35695), (440, 35046), (472, 32670), (484, 31860), (495, 31152), (528, 29205), (531, 29040), (540, 28556), (590, 26136), (594, 25960), (605, 25488), (649, 23760), (660, 23364), (708, 21780), (720, 21417), (726, 21240), (792, 19470), (880, 17523), (885, 17424), (944, 16335), (968, 15930), (990, 15576), (1062, 14520), (1080, 14278), (1089, 14160), (1180, 13068), (1188, 12980), (1210, 12744), (1298, 11880), (1320, 11682), (1416, 10890), (1452, 10620), (1485, 10384), (1584, 9735), (1593, 9680), (1770, 8712), (1815, 8496), (1936, 7965), (1947, 7920), (1980, 7788), (2124, 7260), (2160, 7139), (2178, 7080), (2360, 6534), (2376, 6490), (2420, 6372), (2596, 5940), (2640, 5841), (2655, 5808), (2832, 5445), (2904, 5310), (2970, 5192), (3186, 4840), (3245, 4752), (3267, 4720), (3540, 4356), (3630, 4248), (3894, 3960)]