2178891120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{68261}}^1$

素因数の和:68303

約数の個数: 160

約数和(自身を含む): 8125908480

約数和(自身を除く): 5947017360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 31920, 68261, 136522, 204783, 273044, 341305, 409566, 477827, 546088, 682610, 819132, 955654, 1023915, 1092176, 1296959, 1365220, 1433481, 1638264, 1911308, 2047830, 2389135, 2593918, 2730440, 2866962, 3276528, 3822616, 3890877, 4095660, 4778270, 5187836, 5460880, 5733924, 6484795, 7167405, 7645232, 7781754, 8191320, 9078713, 9556540, 10375672, 11467848, 12969590, 14334810, 15563508, 16382640, 18157426, 19113080, 19454385, 20751344, 22935696, 25939180, 27236139, 28669620, 31127016, 36314852, 38226160, 38908770, 45393565, 51878360, 54472278, 57339240, 62254032, 72629704, 77817540, 90787130, 103756720, 108944556, 114678480, 136180695, 145259408, 155635080, 181574260, 217889112, 272361390, 311270160, 363148520, 435778224, 544722780, 726297040, 1089445560, 2178891120]

約数ペア:

[(1, 2178891120), (2, 1089445560), (3, 726297040), (4, 544722780), (5, 435778224), (6, 363148520), (7, 311270160), (8, 272361390), (10, 217889112), (12, 181574260), (14, 155635080), (15, 145259408), (16, 136180695), (19, 114678480), (20, 108944556), (21, 103756720), (24, 90787130), (28, 77817540), (30, 72629704), (35, 62254032), (38, 57339240), (40, 54472278), (42, 51878360), (48, 45393565), (56, 38908770), (57, 38226160), (60, 36314852), (70, 31127016), (76, 28669620), (80, 27236139), (84, 25939180), (95, 22935696), (105, 20751344), (112, 19454385), (114, 19113080), (120, 18157426), (133, 16382640), (140, 15563508), (152, 14334810), (168, 12969590), (190, 11467848), (210, 10375672), (228, 9556540), (240, 9078713), (266, 8191320), (280, 7781754), (285, 7645232), (304, 7167405), (336, 6484795), (380, 5733924), (399, 5460880), (420, 5187836), (456, 4778270), (532, 4095660), (560, 3890877), (570, 3822616), (665, 3276528), (760, 2866962), (798, 2730440), (840, 2593918), (912, 2389135), (1064, 2047830), (1140, 1911308), (1330, 1638264), (1520, 1433481), (1596, 1365220), (1680, 1296959), (1995, 1092176), (2128, 1023915), (2280, 955654), (2660, 819132), (3192, 682610), (3990, 546088), (4560, 477827), (5320, 409566), (6384, 341305), (7980, 273044), (10640, 204783), (15960, 136522), (31920, 68261)]