84254820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1125

約数の個数: 96

約数和(自身を含む): 256650240

約数和(自身を除く): 172395420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 260, 327, 390, 436, 545, 654, 780, 991, 1090, 1308, 1417, 1635, 1982, 2180, 2834, 2973, 3270, 3964, 4251, 4955, 5668, 5946, 6540, 7085, 8502, 9910, 11892, 12883, 14170, 14865, 17004, 19820, 21255, 25766, 28340, 29730, 38649, 42510, 51532, 59460, 64415, 77298, 85020, 108019, 128830, 154596, 193245, 216038, 257660, 324057, 386490, 432076, 540095, 648114, 772980, 1080190, 1296228, 1404247, 1620285, 2160380, 2808494, 3240570, 4212741, 5616988, 6481140, 7021235, 8425482, 14042470, 16850964, 21063705, 28084940, 42127410, 84254820]

約数ペア:

[(1, 84254820), (2, 42127410), (3, 28084940), (4, 21063705), (5, 16850964), (6, 14042470), (10, 8425482), (12, 7021235), (13, 6481140), (15, 5616988), (20, 4212741), (26, 3240570), (30, 2808494), (39, 2160380), (52, 1620285), (60, 1404247), (65, 1296228), (78, 1080190), (109, 772980), (130, 648114), (156, 540095), (195, 432076), (218, 386490), (260, 324057), (327, 257660), (390, 216038), (436, 193245), (545, 154596), (654, 128830), (780, 108019), (991, 85020), (1090, 77298), (1308, 64415), (1417, 59460), (1635, 51532), (1982, 42510), (2180, 38649), (2834, 29730), (2973, 28340), (3270, 25766), (3964, 21255), (4251, 19820), (4955, 17004), (5668, 14865), (5946, 14170), (6540, 12883), (7085, 11892), (8502, 9910)]