157820397980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{16069}}^1$

素因数の和:16220

約数の個数: 144

約数和(自身を含む): 396767528640

約数和(自身を除く): 238947130660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 292, 310, 365, 434, 511, 620, 730, 868, 961, 1022, 1085, 1460, 1922, 2044, 2170, 2263, 2555, 3844, 4340, 4526, 4805, 5110, 6727, 9052, 9610, 10220, 11315, 13454, 15841, 16069, 19220, 22630, 26908, 31682, 32138, 33635, 45260, 63364, 64276, 67270, 70153, 79205, 80345, 112483, 134540, 140306, 158410, 160690, 224966, 280612, 316820, 321380, 350765, 449932, 491071, 498139, 562415, 701530, 982142, 996278, 1124830, 1173037, 1403060, 1964284, 1992556, 2249660, 2346074, 2455355, 2490695, 3486973, 4692148, 4910710, 4981390, 5865185, 6973946, 8211259, 9821420, 9962780, 11730370, 13947892, 15442309, 16422518, 17434865, 23460740, 30884618, 32845036, 34869730, 36364147, 41056295, 61769236, 69739460, 72728294, 77211545, 82112590, 108096163, 145456588, 154423090, 164225180, 181820735, 216192326, 254549029, 308846180, 363641470, 432384652, 509098058, 540480815, 727282940, 1018196116, 1080961630, 1127288557, 1272745145, 2161923260, 2254577114, 2545490290, 4509154228, 5090980580, 5636442785, 7891019899, 11272885570, 15782039798, 22545771140, 31564079596, 39455099495, 78910198990, 157820397980]

約数ペア:

[(1, 157820397980), (2, 78910198990), (4, 39455099495), (5, 31564079596), (7, 22545771140), (10, 15782039798), (14, 11272885570), (20, 7891019899), (28, 5636442785), (31, 5090980580), (35, 4509154228), (62, 2545490290), (70, 2254577114), (73, 2161923260), (124, 1272745145), (140, 1127288557), (146, 1080961630), (155, 1018196116), (217, 727282940), (292, 540480815), (310, 509098058), (365, 432384652), (434, 363641470), (511, 308846180), (620, 254549029), (730, 216192326), (868, 181820735), (961, 164225180), (1022, 154423090), (1085, 145456588), (1460, 108096163), (1922, 82112590), (2044, 77211545), (2170, 72728294), (2263, 69739460), (2555, 61769236), (3844, 41056295), (4340, 36364147), (4526, 34869730), (4805, 32845036), (5110, 30884618), (6727, 23460740), (9052, 17434865), (9610, 16422518), (10220, 15442309), (11315, 13947892), (13454, 11730370), (15841, 9962780), (16069, 9821420), (19220, 8211259), (22630, 6973946), (26908, 5865185), (31682, 4981390), (32138, 4910710), (33635, 4692148), (45260, 3486973), (63364, 2490695), (64276, 2455355), (67270, 2346074), (70153, 2249660), (79205, 1992556), (80345, 1964284), (112483, 1403060), (134540, 1173037), (140306, 1124830), (158410, 996278), (160690, 982142), (224966, 701530), (280612, 562415), (316820, 498139), (321380, 491071), (350765, 449932)]