245313180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10288

約数の個数: 144

約数和(自身を含む): 895265280

約数和(自身を除く): 649952100

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, 7980, 10247, 11970, 20494, 23940, 30741, 40988, 51235, 61482, 71729, 92223, 102470, 122964, 143458, 153705, 184446, 194693, 204940, 215187, 286916, 307410, 358645, 368892, 389386, 430374, 461115, 584079, 614820, 645561, 717290, 778772, 860748, 922230, 973465, 1075935, 1168158, 1291122, 1362851, 1434580, 1752237, 1844460, 1946930, 2151870, 2336316, 2582244, 2725702, 2920395, 3227805, 3504474, 3893860, 4088553, 4303740, 5451404, 5840790, 6455610, 6814255, 7008948, 8177106, 8761185, 11681580, 12265659, 12911220, 13628510, 16354212, 17522370, 20442765, 24531318, 27257020, 35044740, 40885530, 49062636, 61328295, 81771060, 122656590, 245313180]

約数ペア:

[(1, 245313180), (2, 122656590), (3, 81771060), (4, 61328295), (5, 49062636), (6, 40885530), (7, 35044740), (9, 27257020), (10, 24531318), (12, 20442765), (14, 17522370), (15, 16354212), (18, 13628510), (19, 12911220), (20, 12265659), (21, 11681580), (28, 8761185), (30, 8177106), (35, 7008948), (36, 6814255), (38, 6455610), (42, 5840790), (45, 5451404), (57, 4303740), (60, 4088553), (63, 3893860), (70, 3504474), (76, 3227805), (84, 2920395), (90, 2725702), (95, 2582244), (105, 2336316), (114, 2151870), (126, 1946930), (133, 1844460), (140, 1752237), (171, 1434580), (180, 1362851), (190, 1291122), (210, 1168158), (228, 1075935), (252, 973465), (266, 922230), (285, 860748), (315, 778772), (342, 717290), (380, 645561), (399, 614820), (420, 584079), (532, 461115), (570, 430374), (630, 389386), (665, 368892), (684, 358645), (798, 307410), (855, 286916), (1140, 215187), (1197, 204940), (1260, 194693), (1330, 184446), (1596, 153705), (1710, 143458), (1995, 122964), (2394, 102470), (2660, 92223), (3420, 71729), (3990, 61482), (4788, 51235), (5985, 40988), (7980, 30741), (10247, 23940), (11970, 20494)]