72879870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 212336640

約数和(自身を除く): 139456770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 79, 105, 115, 138, 158, 161, 191, 210, 230, 237, 322, 345, 382, 395, 474, 483, 553, 573, 690, 790, 805, 955, 966, 1106, 1146, 1185, 1337, 1610, 1659, 1817, 1910, 2370, 2415, 2674, 2765, 2865, 3318, 3634, 4011, 4393, 4830, 5451, 5530, 5730, 6685, 8022, 8295, 8786, 9085, 10902, 12719, 13179, 13370, 15089, 16590, 18170, 20055, 21965, 25438, 26358, 27255, 30178, 30751, 38157, 40110, 43930, 45267, 54510, 61502, 63595, 65895, 75445, 76314, 90534, 92253, 105623, 127190, 131790, 150890, 153755, 184506, 190785, 211246, 226335, 307510, 316869, 347047, 381570, 452670, 461265, 528115, 633738, 694094, 922530, 1041141, 1056230, 1584345, 1735235, 2082282, 2429329, 3168690, 3470470, 4858658, 5205705, 7287987, 10411410, 12146645, 14575974, 24293290, 36439935, 72879870]

約数ペア:

[(1, 72879870), (2, 36439935), (3, 24293290), (5, 14575974), (6, 12146645), (7, 10411410), (10, 7287987), (14, 5205705), (15, 4858658), (21, 3470470), (23, 3168690), (30, 2429329), (35, 2082282), (42, 1735235), (46, 1584345), (69, 1056230), (70, 1041141), (79, 922530), (105, 694094), (115, 633738), (138, 528115), (158, 461265), (161, 452670), (191, 381570), (210, 347047), (230, 316869), (237, 307510), (322, 226335), (345, 211246), (382, 190785), (395, 184506), (474, 153755), (483, 150890), (553, 131790), (573, 127190), (690, 105623), (790, 92253), (805, 90534), (955, 76314), (966, 75445), (1106, 65895), (1146, 63595), (1185, 61502), (1337, 54510), (1610, 45267), (1659, 43930), (1817, 40110), (1910, 38157), (2370, 30751), (2415, 30178), (2674, 27255), (2765, 26358), (2865, 25438), (3318, 21965), (3634, 20055), (4011, 18170), (4393, 16590), (4830, 15089), (5451, 13370), (5530, 13179), (5730, 12719), (6685, 10902), (8022, 9085), (8295, 8786)]