15211560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 57456000

約数和(自身を除く): 42244440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 199, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 398, 420, 455, 490, 520, 546, 588, 597, 637, 728, 735, 780, 796, 840, 910, 980, 995, 1092, 1176, 1194, 1274, 1365, 1393, 1470, 1560, 1592, 1820, 1911, 1960, 1990, 2184, 2388, 2548, 2587, 2730, 2786, 2940, 2985, 3185, 3640, 3822, 3980, 4179, 4776, 5096, 5174, 5460, 5572, 5880, 5970, 6370, 6965, 7644, 7761, 7960, 8358, 9555, 9751, 10348, 10920, 11144, 11940, 12740, 12935, 13930, 15288, 15522, 16716, 18109, 19110, 19502, 20696, 20895, 23880, 25480, 25870, 27860, 29253, 31044, 33432, 36218, 38220, 38805, 39004, 41790, 48755, 51740, 54327, 55720, 58506, 62088, 72436, 76440, 77610, 78008, 83580, 90545, 97510, 103480, 108654, 117012, 126763, 144872, 146265, 155220, 167160, 181090, 195020, 217308, 234024, 253526, 271635, 292530, 310440, 362180, 380289, 390040, 434616, 507052, 543270, 585060, 633815, 724360, 760578, 1014104, 1086540, 1170120, 1267630, 1521156, 1901445, 2173080, 2535260, 3042312, 3802890, 5070520, 7605780, 15211560]

約数ペア:

[(1, 15211560), (2, 7605780), (3, 5070520), (4, 3802890), (5, 3042312), (6, 2535260), (7, 2173080), (8, 1901445), (10, 1521156), (12, 1267630), (13, 1170120), (14, 1086540), (15, 1014104), (20, 760578), (21, 724360), (24, 633815), (26, 585060), (28, 543270), (30, 507052), (35, 434616), (39, 390040), (40, 380289), (42, 362180), (49, 310440), (52, 292530), (56, 271635), (60, 253526), (65, 234024), (70, 217308), (78, 195020), (84, 181090), (91, 167160), (98, 155220), (104, 146265), (105, 144872), (120, 126763), (130, 117012), (140, 108654), (147, 103480), (156, 97510), (168, 90545), (182, 83580), (195, 78008), (196, 77610), (199, 76440), (210, 72436), (245, 62088), (260, 58506), (273, 55720), (280, 54327), (294, 51740), (312, 48755), (364, 41790), (390, 39004), (392, 38805), (398, 38220), (420, 36218), (455, 33432), (490, 31044), (520, 29253), (546, 27860), (588, 25870), (597, 25480), (637, 23880), (728, 20895), (735, 20696), (780, 19502), (796, 19110), (840, 18109), (910, 16716), (980, 15522), (995, 15288), (1092, 13930), (1176, 12935), (1194, 12740), (1274, 11940), (1365, 11144), (1393, 10920), (1470, 10348), (1560, 9751), (1592, 9555), (1820, 8358), (1911, 7960), (1960, 7761), (1990, 7644), (2184, 6965), (2388, 6370), (2548, 5970), (2587, 5880), (2730, 5572), (2786, 5460), (2940, 5174), (2985, 5096), (3185, 4776), (3640, 4179), (3822, 3980)]