720461520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1187}}^1$

素因数の和:1490

約数の個数: 160

約数和(自身を含む): 2492519040

約数和(自身を除く): 1772057520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 281, 360, 432, 540, 562, 720, 843, 1080, 1124, 1187, 1405, 1686, 2160, 2248, 2374, 2529, 2810, 3372, 3561, 4215, 4496, 4748, 5058, 5620, 5935, 6744, 7122, 7587, 8430, 9496, 10116, 10683, 11240, 11870, 12645, 13488, 14244, 15174, 16860, 17805, 18992, 20232, 21366, 22480, 23740, 25290, 28488, 30348, 32049, 33720, 35610, 37935, 40464, 42732, 47480, 50580, 53415, 56976, 60696, 64098, 67440, 71220, 75870, 85464, 94960, 101160, 106830, 121392, 128196, 142440, 151740, 160245, 170928, 202320, 213660, 256392, 284880, 303480, 320490, 333547, 427320, 512784, 606960, 640980, 667094, 854640, 1000641, 1281960, 1334188, 1667735, 2001282, 2563920, 2668376, 3001923, 3335470, 4002564, 5003205, 5336752, 6003846, 6670940, 8005128, 9005769, 10006410, 12007692, 13341880, 15009615, 16010256, 18011538, 20012820, 24015384, 26683760, 30019230, 36023076, 40025640, 45028845, 48030768, 60038460, 72046152, 80051280, 90057690, 120076920, 144092304, 180115380, 240153840, 360230760, 720461520]

約数ペア:

[(1, 720461520), (2, 360230760), (3, 240153840), (4, 180115380), (5, 144092304), (6, 120076920), (8, 90057690), (9, 80051280), (10, 72046152), (12, 60038460), (15, 48030768), (16, 45028845), (18, 40025640), (20, 36023076), (24, 30019230), (27, 26683760), (30, 24015384), (36, 20012820), (40, 18011538), (45, 16010256), (48, 15009615), (54, 13341880), (60, 12007692), (72, 10006410), (80, 9005769), (90, 8005128), (108, 6670940), (120, 6003846), (135, 5336752), (144, 5003205), (180, 4002564), (216, 3335470), (240, 3001923), (270, 2668376), (281, 2563920), (360, 2001282), (432, 1667735), (540, 1334188), (562, 1281960), (720, 1000641), (843, 854640), (1080, 667094), (1124, 640980), (1187, 606960), (1405, 512784), (1686, 427320), (2160, 333547), (2248, 320490), (2374, 303480), (2529, 284880), (2810, 256392), (3372, 213660), (3561, 202320), (4215, 170928), (4496, 160245), (4748, 151740), (5058, 142440), (5620, 128196), (5935, 121392), (6744, 106830), (7122, 101160), (7587, 94960), (8430, 85464), (9496, 75870), (10116, 71220), (10683, 67440), (11240, 64098), (11870, 60696), (12645, 56976), (13488, 53415), (14244, 50580), (15174, 47480), (16860, 42732), (17805, 40464), (18992, 37935), (20232, 35610), (21366, 33720), (22480, 32049), (23740, 30348), (25290, 28488)]