721462380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2143}}^1$

素因数の和:2367

約数の個数: 96

約数和(自身を含む): 2097758208

約数和(自身を除く): 1376295828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 181, 186, 310, 362, 372, 465, 543, 620, 724, 905, 930, 1086, 1810, 1860, 2143, 2172, 2715, 3620, 4286, 5430, 5611, 6429, 8572, 10715, 10860, 11222, 12858, 16833, 21430, 22444, 25716, 28055, 32145, 33666, 42860, 56110, 64290, 66433, 67332, 84165, 112220, 128580, 132866, 168330, 199299, 265732, 332165, 336660, 387883, 398598, 664330, 775766, 797196, 996495, 1163649, 1328660, 1551532, 1939415, 1992990, 2327298, 3878830, 3985980, 4654596, 5818245, 7757660, 11636490, 12024373, 23272980, 24048746, 36073119, 48097492, 60121865, 72146238, 120243730, 144292476, 180365595, 240487460, 360731190, 721462380]

約数ペア:

[(1, 721462380), (2, 360731190), (3, 240487460), (4, 180365595), (5, 144292476), (6, 120243730), (10, 72146238), (12, 60121865), (15, 48097492), (20, 36073119), (30, 24048746), (31, 23272980), (60, 12024373), (62, 11636490), (93, 7757660), (124, 5818245), (155, 4654596), (181, 3985980), (186, 3878830), (310, 2327298), (362, 1992990), (372, 1939415), (465, 1551532), (543, 1328660), (620, 1163649), (724, 996495), (905, 797196), (930, 775766), (1086, 664330), (1810, 398598), (1860, 387883), (2143, 336660), (2172, 332165), (2715, 265732), (3620, 199299), (4286, 168330), (5430, 132866), (5611, 128580), (6429, 112220), (8572, 84165), (10715, 67332), (10860, 66433), (11222, 64290), (12858, 56110), (16833, 42860), (21430, 33666), (22444, 32145), (25716, 28055)]