647544420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 2014346880

約数和(自身を除く): 1366802460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 89, 90, 166, 178, 180, 249, 267, 332, 356, 415, 445, 487, 498, 534, 747, 801, 830, 890, 974, 996, 1068, 1245, 1335, 1461, 1494, 1602, 1660, 1780, 1948, 2435, 2490, 2670, 2922, 2988, 3204, 3735, 4005, 4383, 4870, 4980, 5340, 5844, 7305, 7387, 7470, 8010, 8766, 9740, 14610, 14774, 14940, 16020, 17532, 21915, 22161, 29220, 29548, 36935, 40421, 43343, 43830, 44322, 66483, 73870, 80842, 86686, 87660, 88644, 110805, 121263, 130029, 132966, 147740, 161684, 173372, 202105, 216715, 221610, 242526, 260058, 265932, 332415, 363789, 390087, 404210, 433430, 443220, 485052, 520116, 606315, 650145, 664830, 727578, 780174, 808420, 866860, 1212630, 1300290, 1329660, 1455156, 1560348, 1818945, 1950435, 2425260, 2600580, 3597469, 3637890, 3900870, 7194938, 7275780, 7801740, 10792407, 14389876, 17987345, 21584814, 32377221, 35974690, 43169628, 53962035, 64754442, 71949380, 107924070, 129508884, 161886105, 215848140, 323772210, 647544420]

約数ペア:

[(1, 647544420), (2, 323772210), (3, 215848140), (4, 161886105), (5, 129508884), (6, 107924070), (9, 71949380), (10, 64754442), (12, 53962035), (15, 43169628), (18, 35974690), (20, 32377221), (30, 21584814), (36, 17987345), (45, 14389876), (60, 10792407), (83, 7801740), (89, 7275780), (90, 7194938), (166, 3900870), (178, 3637890), (180, 3597469), (249, 2600580), (267, 2425260), (332, 1950435), (356, 1818945), (415, 1560348), (445, 1455156), (487, 1329660), (498, 1300290), (534, 1212630), (747, 866860), (801, 808420), (830, 780174), (890, 727578), (974, 664830), (996, 650145), (1068, 606315), (1245, 520116), (1335, 485052), (1461, 443220), (1494, 433430), (1602, 404210), (1660, 390087), (1780, 363789), (1948, 332415), (2435, 265932), (2490, 260058), (2670, 242526), (2922, 221610), (2988, 216715), (3204, 202105), (3735, 173372), (4005, 161684), (4383, 147740), (4870, 132966), (4980, 130029), (5340, 121263), (5844, 110805), (7305, 88644), (7387, 87660), (7470, 86686), (8010, 80842), (8766, 73870), (9740, 66483), (14610, 44322), (14774, 43830), (14940, 43343), (16020, 40421), (17532, 36935), (21915, 29548), (22161, 29220)]