18972808650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{1741}}^1$

素因数の和:2217

約数の個数: 144

約数和(自身を含む): 51969580728

約数和(自身を除く): 32996772078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 397, 450, 549, 610, 794, 915, 1098, 1191, 1525, 1741, 1830, 1985, 2382, 2745, 3050, 3482, 3573, 3970, 4575, 5223, 5490, 5955, 7146, 8705, 9150, 9925, 10446, 11910, 13725, 15669, 17410, 17865, 19850, 24217, 26115, 27450, 29775, 31338, 35730, 43525, 48434, 52230, 59550, 72651, 78345, 87050, 89325, 106201, 121085, 130575, 145302, 156690, 178650, 212402, 217953, 242170, 261150, 318603, 363255, 391725, 435906, 531005, 605425, 637206, 691177, 726510, 783450, 955809, 1062010, 1089765, 1210850, 1382354, 1593015, 1816275, 1911618, 2073531, 2179530, 2655025, 3186030, 3455885, 3632550, 4147062, 4779045, 5310050, 5448825, 6220593, 6911770, 7965075, 9558090, 10367655, 10897650, 12441186, 15930150, 17279425, 20735310, 23895225, 31102965, 34558850, 42161797, 47790450, 51838275, 62205930, 84323594, 103676550, 126485391, 155514825, 210808985, 252970782, 311029650, 379456173, 421617970, 632426955, 758912346, 1054044925, 1264853910, 1897280865, 2108089850, 3162134775, 3794561730, 6324269550, 9486404325, 18972808650]

約数ペア:

[(1, 18972808650), (2, 9486404325), (3, 6324269550), (5, 3794561730), (6, 3162134775), (9, 2108089850), (10, 1897280865), (15, 1264853910), (18, 1054044925), (25, 758912346), (30, 632426955), (45, 421617970), (50, 379456173), (61, 311029650), (75, 252970782), (90, 210808985), (122, 155514825), (150, 126485391), (183, 103676550), (225, 84323594), (305, 62205930), (366, 51838275), (397, 47790450), (450, 42161797), (549, 34558850), (610, 31102965), (794, 23895225), (915, 20735310), (1098, 17279425), (1191, 15930150), (1525, 12441186), (1741, 10897650), (1830, 10367655), (1985, 9558090), (2382, 7965075), (2745, 6911770), (3050, 6220593), (3482, 5448825), (3573, 5310050), (3970, 4779045), (4575, 4147062), (5223, 3632550), (5490, 3455885), (5955, 3186030), (7146, 2655025), (8705, 2179530), (9150, 2073531), (9925, 1911618), (10446, 1816275), (11910, 1593015), (13725, 1382354), (15669, 1210850), (17410, 1089765), (17865, 1062010), (19850, 955809), (24217, 783450), (26115, 726510), (27450, 691177), (29775, 637206), (31338, 605425), (35730, 531005), (43525, 435906), (48434, 391725), (52230, 363255), (59550, 318603), (72651, 261150), (78345, 242170), (87050, 217953), (89325, 212402), (106201, 178650), (121085, 156690), (130575, 145302)]