72125560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 190512000

約数和(自身を除く): 118386440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 41, 52, 65, 68, 82, 85, 104, 130, 136, 164, 170, 199, 205, 221, 260, 328, 340, 398, 410, 442, 520, 533, 680, 697, 796, 820, 884, 995, 1066, 1105, 1394, 1592, 1640, 1768, 1990, 2132, 2210, 2587, 2665, 2788, 3383, 3485, 3980, 4264, 4420, 5174, 5330, 5576, 6766, 6970, 7960, 8159, 8840, 9061, 10348, 10660, 12935, 13532, 13940, 16318, 16915, 18122, 20696, 21320, 25870, 27064, 27880, 32636, 33830, 36244, 40795, 43979, 45305, 51740, 65272, 67660, 72488, 81590, 87958, 90610, 103480, 106067, 135320, 138703, 163180, 175916, 181220, 212134, 219895, 277406, 326360, 351832, 362440, 424268, 439790, 530335, 554812, 693515, 848536, 879580, 1060670, 1109624, 1387030, 1759160, 1803139, 2121340, 2774060, 3606278, 4242680, 5548120, 7212556, 9015695, 14425112, 18031390, 36062780, 72125560]

約数ペア:

[(1, 72125560), (2, 36062780), (4, 18031390), (5, 14425112), (8, 9015695), (10, 7212556), (13, 5548120), (17, 4242680), (20, 3606278), (26, 2774060), (34, 2121340), (40, 1803139), (41, 1759160), (52, 1387030), (65, 1109624), (68, 1060670), (82, 879580), (85, 848536), (104, 693515), (130, 554812), (136, 530335), (164, 439790), (170, 424268), (199, 362440), (205, 351832), (221, 326360), (260, 277406), (328, 219895), (340, 212134), (398, 181220), (410, 175916), (442, 163180), (520, 138703), (533, 135320), (680, 106067), (697, 103480), (796, 90610), (820, 87958), (884, 81590), (995, 72488), (1066, 67660), (1105, 65272), (1394, 51740), (1592, 45305), (1640, 43979), (1768, 40795), (1990, 36244), (2132, 33830), (2210, 32636), (2587, 27880), (2665, 27064), (2788, 25870), (3383, 21320), (3485, 20696), (3980, 18122), (4264, 16915), (4420, 16318), (5174, 13940), (5330, 13532), (5576, 12935), (6766, 10660), (6970, 10348), (7960, 9061), (8159, 8840)]