179951940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:842

約数の個数: 144

約数和(自身を含む): 627419520

約数和(自身を除く): 447467580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 569, 630, 753, 1004, 1138, 1255, 1260, 1506, 1707, 1757, 2259, 2276, 2510, 2845, 3012, 3414, 3514, 3765, 3983, 4518, 5020, 5121, 5271, 5690, 6828, 7028, 7530, 7966, 8535, 8785, 9036, 10242, 10542, 11295, 11380, 11949, 15060, 15813, 15932, 17070, 17570, 19915, 20484, 21084, 22590, 23898, 25605, 26355, 31626, 34140, 35140, 35847, 39830, 45180, 47796, 51210, 52710, 59745, 63252, 71694, 79065, 79660, 102420, 105420, 119490, 142819, 143388, 158130, 179235, 238980, 285638, 316260, 358470, 428457, 571276, 714095, 716940, 856914, 999733, 1285371, 1428190, 1713828, 1999466, 2142285, 2570742, 2856380, 2999199, 3998932, 4284570, 4998665, 5141484, 5998398, 6426855, 8569140, 8997597, 9997330, 11996796, 12853710, 14995995, 17995194, 19994660, 25707420, 29991990, 35990388, 44987985, 59983980, 89975970, 179951940]

約数ペア:

[(1, 179951940), (2, 89975970), (3, 59983980), (4, 44987985), (5, 35990388), (6, 29991990), (7, 25707420), (9, 19994660), (10, 17995194), (12, 14995995), (14, 12853710), (15, 11996796), (18, 9997330), (20, 8997597), (21, 8569140), (28, 6426855), (30, 5998398), (35, 5141484), (36, 4998665), (42, 4284570), (45, 3998932), (60, 2999199), (63, 2856380), (70, 2570742), (84, 2142285), (90, 1999466), (105, 1713828), (126, 1428190), (140, 1285371), (180, 999733), (210, 856914), (251, 716940), (252, 714095), (315, 571276), (420, 428457), (502, 358470), (569, 316260), (630, 285638), (753, 238980), (1004, 179235), (1138, 158130), (1255, 143388), (1260, 142819), (1506, 119490), (1707, 105420), (1757, 102420), (2259, 79660), (2276, 79065), (2510, 71694), (2845, 63252), (3012, 59745), (3414, 52710), (3514, 51210), (3765, 47796), (3983, 45180), (4518, 39830), (5020, 35847), (5121, 35140), (5271, 34140), (5690, 31626), (6828, 26355), (7028, 25605), (7530, 23898), (7966, 22590), (8535, 21084), (8785, 20484), (9036, 19915), (10242, 17570), (10542, 17070), (11295, 15932), (11380, 15813), (11949, 15060)]