161834260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:822

約数の個数: 96

約数和(自身を含む): 409651200

約数和(自身を除く): 247816940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 343, 434, 490, 620, 686, 761, 868, 980, 1085, 1372, 1519, 1522, 1715, 2170, 3038, 3044, 3430, 3805, 4340, 5327, 6076, 6860, 7595, 7610, 10633, 10654, 15190, 15220, 21266, 21308, 23591, 26635, 30380, 37289, 42532, 47182, 53165, 53270, 74578, 94364, 106330, 106540, 117955, 149156, 165137, 186445, 212660, 235910, 261023, 330274, 372890, 471820, 522046, 660548, 745780, 825685, 1044092, 1155959, 1305115, 1651370, 2311918, 2610230, 3302740, 4623836, 5220460, 5779795, 8091713, 11559590, 16183426, 23119180, 32366852, 40458565, 80917130, 161834260]

約数ペア:

[(1, 161834260), (2, 80917130), (4, 40458565), (5, 32366852), (7, 23119180), (10, 16183426), (14, 11559590), (20, 8091713), (28, 5779795), (31, 5220460), (35, 4623836), (49, 3302740), (62, 2610230), (70, 2311918), (98, 1651370), (124, 1305115), (140, 1155959), (155, 1044092), (196, 825685), (217, 745780), (245, 660548), (310, 522046), (343, 471820), (434, 372890), (490, 330274), (620, 261023), (686, 235910), (761, 212660), (868, 186445), (980, 165137), (1085, 149156), (1372, 117955), (1519, 106540), (1522, 106330), (1715, 94364), (2170, 74578), (3038, 53270), (3044, 53165), (3430, 47182), (3805, 42532), (4340, 37289), (5327, 30380), (6076, 26635), (6860, 23591), (7595, 21308), (7610, 21266), (10633, 15220), (10654, 15190)]