64641240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 221110560

約数和(自身を除く): 156469320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 270, 281, 284, 324, 355, 360, 405, 426, 540, 562, 568, 639, 648, 710, 810, 843, 852, 1065, 1080, 1124, 1278, 1405, 1420, 1620, 1686, 1704, 1917, 2130, 2248, 2529, 2556, 2810, 2840, 3195, 3240, 3372, 3834, 4215, 4260, 5058, 5112, 5620, 5751, 6390, 6744, 7587, 7668, 8430, 8520, 9585, 10116, 11240, 11502, 12645, 12780, 15174, 15336, 16860, 19170, 19951, 20232, 22761, 23004, 25290, 25560, 28755, 30348, 33720, 37935, 38340, 39902, 45522, 46008, 50580, 57510, 59853, 60696, 75870, 76680, 79804, 91044, 99755, 101160, 113805, 115020, 119706, 151740, 159608, 179559, 182088, 199510, 227610, 230040, 239412, 299265, 303480, 359118, 399020, 455220, 478824, 538677, 598530, 718236, 798040, 897795, 910440, 1077354, 1197060, 1436472, 1616031, 1795590, 2154708, 2394120, 2693385, 3232062, 3591180, 4309416, 5386770, 6464124, 7182360, 8080155, 10773540, 12928248, 16160310, 21547080, 32320620, 64641240]

約数ペア:

[(1, 64641240), (2, 32320620), (3, 21547080), (4, 16160310), (5, 12928248), (6, 10773540), (8, 8080155), (9, 7182360), (10, 6464124), (12, 5386770), (15, 4309416), (18, 3591180), (20, 3232062), (24, 2693385), (27, 2394120), (30, 2154708), (36, 1795590), (40, 1616031), (45, 1436472), (54, 1197060), (60, 1077354), (71, 910440), (72, 897795), (81, 798040), (90, 718236), (108, 598530), (120, 538677), (135, 478824), (142, 455220), (162, 399020), (180, 359118), (213, 303480), (216, 299265), (270, 239412), (281, 230040), (284, 227610), (324, 199510), (355, 182088), (360, 179559), (405, 159608), (426, 151740), (540, 119706), (562, 115020), (568, 113805), (639, 101160), (648, 99755), (710, 91044), (810, 79804), (843, 76680), (852, 75870), (1065, 60696), (1080, 59853), (1124, 57510), (1278, 50580), (1405, 46008), (1420, 45522), (1620, 39902), (1686, 38340), (1704, 37935), (1917, 33720), (2130, 30348), (2248, 28755), (2529, 25560), (2556, 25290), (2810, 23004), (2840, 22761), (3195, 20232), (3240, 19951), (3372, 19170), (3834, 16860), (4215, 15336), (4260, 15174), (5058, 12780), (5112, 12645), (5620, 11502), (5751, 11240), (6390, 10116), (6744, 9585), (7587, 8520), (7668, 8430)]