242177940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3389}}^1$

素因数の和:3801

約数の個数: 72

約数和(自身を含む): 736674120

約数和(自身を除く): 494496180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 3389, 3573, 3970, 4764, 5955, 6778, 7146, 7940, 10167, 11910, 13556, 14292, 16945, 17865, 20334, 23820, 30501, 33890, 35730, 40668, 50835, 61002, 67780, 71460, 101670, 122004, 152505, 203340, 305010, 610020, 1345433, 2690866, 4036299, 5381732, 6727165, 8072598, 12108897, 13454330, 16145196, 20181495, 24217794, 26908660, 40362990, 48435588, 60544485, 80725980, 121088970, 242177940]

約数ペア:

[(1, 242177940), (2, 121088970), (3, 80725980), (4, 60544485), (5, 48435588), (6, 40362990), (9, 26908660), (10, 24217794), (12, 20181495), (15, 16145196), (18, 13454330), (20, 12108897), (30, 8072598), (36, 6727165), (45, 5381732), (60, 4036299), (90, 2690866), (180, 1345433), (397, 610020), (794, 305010), (1191, 203340), (1588, 152505), (1985, 122004), (2382, 101670), (3389, 71460), (3573, 67780), (3970, 61002), (4764, 50835), (5955, 40668), (6778, 35730), (7146, 33890), (7940, 30501), (10167, 23820), (11910, 20334), (13556, 17865), (14292, 16945)]