90568180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 211468320

約数和(自身を除く): 120900140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 73, 82, 85, 89, 146, 164, 170, 178, 205, 292, 340, 356, 365, 410, 445, 697, 730, 820, 890, 1241, 1394, 1460, 1513, 1780, 2482, 2788, 2993, 3026, 3485, 3649, 4964, 5986, 6052, 6205, 6497, 6970, 7298, 7565, 11972, 12410, 12994, 13940, 14596, 14965, 15130, 18245, 24820, 25988, 29930, 30260, 32485, 36490, 50881, 59860, 62033, 64970, 72980, 101762, 110449, 124066, 129940, 203524, 220898, 248132, 254405, 266377, 310165, 441796, 508810, 532754, 552245, 620330, 1017620, 1065508, 1104490, 1240660, 1331885, 2208980, 2663770, 4528409, 5327540, 9056818, 18113636, 22642045, 45284090, 90568180]

約数ペア:

[(1, 90568180), (2, 45284090), (4, 22642045), (5, 18113636), (10, 9056818), (17, 5327540), (20, 4528409), (34, 2663770), (41, 2208980), (68, 1331885), (73, 1240660), (82, 1104490), (85, 1065508), (89, 1017620), (146, 620330), (164, 552245), (170, 532754), (178, 508810), (205, 441796), (292, 310165), (340, 266377), (356, 254405), (365, 248132), (410, 220898), (445, 203524), (697, 129940), (730, 124066), (820, 110449), (890, 101762), (1241, 72980), (1394, 64970), (1460, 62033), (1513, 59860), (1780, 50881), (2482, 36490), (2788, 32485), (2993, 30260), (3026, 29930), (3485, 25988), (3649, 24820), (4964, 18245), (5986, 15130), (6052, 14965), (6205, 14596), (6497, 13940), (6970, 12994), (7298, 12410), (7565, 11972)]