157051720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 433900800

約数和(自身を除く): 276849080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 133, 140, 152, 190, 212, 265, 266, 280, 371, 380, 424, 530, 532, 557, 665, 742, 760, 1007, 1060, 1064, 1114, 1330, 1484, 1855, 2014, 2120, 2228, 2660, 2785, 2968, 3710, 3899, 4028, 4456, 5035, 5320, 5570, 7049, 7420, 7798, 8056, 10070, 10583, 11140, 14098, 14840, 15596, 19495, 20140, 21166, 22280, 28196, 29521, 31192, 35245, 38990, 40280, 42332, 52915, 56392, 59042, 70490, 74081, 77980, 84664, 105830, 118084, 140980, 147605, 148162, 155960, 206647, 211660, 236168, 281960, 295210, 296324, 370405, 413294, 423320, 560899, 590420, 592648, 740810, 826588, 1033235, 1121798, 1180840, 1481620, 1653176, 2066470, 2243596, 2804495, 2963240, 3926293, 4132940, 4487192, 5608990, 7852586, 8265880, 11217980, 15705172, 19631465, 22435960, 31410344, 39262930, 78525860, 157051720]

約数ペア:

[(1, 157051720), (2, 78525860), (4, 39262930), (5, 31410344), (7, 22435960), (8, 19631465), (10, 15705172), (14, 11217980), (19, 8265880), (20, 7852586), (28, 5608990), (35, 4487192), (38, 4132940), (40, 3926293), (53, 2963240), (56, 2804495), (70, 2243596), (76, 2066470), (95, 1653176), (106, 1481620), (133, 1180840), (140, 1121798), (152, 1033235), (190, 826588), (212, 740810), (265, 592648), (266, 590420), (280, 560899), (371, 423320), (380, 413294), (424, 370405), (530, 296324), (532, 295210), (557, 281960), (665, 236168), (742, 211660), (760, 206647), (1007, 155960), (1060, 148162), (1064, 147605), (1114, 140980), (1330, 118084), (1484, 105830), (1855, 84664), (2014, 77980), (2120, 74081), (2228, 70490), (2660, 59042), (2785, 56392), (2968, 52915), (3710, 42332), (3899, 40280), (4028, 38990), (4456, 35245), (5035, 31192), (5320, 29521), (5570, 28196), (7049, 22280), (7420, 21166), (7798, 20140), (8056, 19495), (10070, 15596), (10583, 14840), (11140, 14098)]