156878820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6553}}^1$

素因数の和:6594

約数の個数: 144

約数和(自身を含む): 572557440

約数和(自身を除く): 415678620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 6553, 7980, 11970, 13106, 19659, 23940, 26212, 32765, 39318, 45871, 58977, 65530, 78636, 91742, 98295, 117954, 124507, 131060, 137613, 183484, 196590, 229355, 235908, 249014, 275226, 294885, 373521, 393180, 412839, 458710, 498028, 550452, 589770, 622535, 688065, 747042, 825678, 871549, 917420, 1120563, 1179540, 1245070, 1376130, 1494084, 1651356, 1743098, 1867605, 2064195, 2241126, 2490140, 2614647, 2752260, 3486196, 3735210, 4128390, 4357745, 4482252, 5229294, 5602815, 7470420, 7843941, 8256780, 8715490, 10458588, 11205630, 13073235, 15687882, 17430980, 22411260, 26146470, 31375764, 39219705, 52292940, 78439410, 156878820]

約数ペア:

[(1, 156878820), (2, 78439410), (3, 52292940), (4, 39219705), (5, 31375764), (6, 26146470), (7, 22411260), (9, 17430980), (10, 15687882), (12, 13073235), (14, 11205630), (15, 10458588), (18, 8715490), (19, 8256780), (20, 7843941), (21, 7470420), (28, 5602815), (30, 5229294), (35, 4482252), (36, 4357745), (38, 4128390), (42, 3735210), (45, 3486196), (57, 2752260), (60, 2614647), (63, 2490140), (70, 2241126), (76, 2064195), (84, 1867605), (90, 1743098), (95, 1651356), (105, 1494084), (114, 1376130), (126, 1245070), (133, 1179540), (140, 1120563), (171, 917420), (180, 871549), (190, 825678), (210, 747042), (228, 688065), (252, 622535), (266, 589770), (285, 550452), (315, 498028), (342, 458710), (380, 412839), (399, 393180), (420, 373521), (532, 294885), (570, 275226), (630, 249014), (665, 235908), (684, 229355), (798, 196590), (855, 183484), (1140, 137613), (1197, 131060), (1260, 124507), (1330, 117954), (1596, 98295), (1710, 91742), (1995, 78636), (2394, 65530), (2660, 58977), (3420, 45871), (3990, 39318), (4788, 32765), (5985, 26212), (6553, 23940), (7980, 19659), (11970, 13106)]