201519220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 508354560

約数和(自身を除く): 306835340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 217, 236, 295, 310, 413, 434, 590, 620, 787, 826, 868, 1085, 1180, 1574, 1652, 1829, 2065, 2170, 3148, 3658, 3935, 4130, 4340, 5509, 7316, 7870, 8260, 9145, 11018, 12803, 15740, 18290, 22036, 24397, 25606, 27545, 36580, 46433, 48794, 51212, 55090, 64015, 92866, 97588, 110180, 121985, 128030, 170779, 185732, 232165, 243970, 256060, 325031, 341558, 464330, 487940, 650062, 683116, 853895, 928660, 1300124, 1439423, 1625155, 1707790, 2878846, 3250310, 3415580, 5757692, 6500620, 7197115, 10075961, 14394230, 20151922, 28788460, 40303844, 50379805, 100759610, 201519220]

約数ペア:

[(1, 201519220), (2, 100759610), (4, 50379805), (5, 40303844), (7, 28788460), (10, 20151922), (14, 14394230), (20, 10075961), (28, 7197115), (31, 6500620), (35, 5757692), (59, 3415580), (62, 3250310), (70, 2878846), (118, 1707790), (124, 1625155), (140, 1439423), (155, 1300124), (217, 928660), (236, 853895), (295, 683116), (310, 650062), (413, 487940), (434, 464330), (590, 341558), (620, 325031), (787, 256060), (826, 243970), (868, 232165), (1085, 185732), (1180, 170779), (1574, 128030), (1652, 121985), (1829, 110180), (2065, 97588), (2170, 92866), (3148, 64015), (3658, 55090), (3935, 51212), (4130, 48794), (4340, 46433), (5509, 36580), (7316, 27545), (7870, 25606), (8260, 24397), (9145, 22036), (11018, 18290), (12803, 15740)]