15665939900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1613}}^1$

素因数の和:1912

約数の個数: 144

約数和(自身を含む): 37971403008

約数和(自身を除く): 22305463108

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 241, 260, 310, 325, 403, 482, 620, 650, 775, 806, 964, 1205, 1300, 1550, 1612, 1613, 2015, 2410, 3100, 3133, 3226, 4030, 4820, 6025, 6266, 6452, 7471, 8060, 8065, 10075, 12050, 12532, 14942, 15665, 16130, 20150, 20969, 24100, 29884, 31330, 32260, 37355, 40300, 40325, 41938, 50003, 62660, 74710, 78325, 80650, 83876, 97123, 100006, 104845, 149420, 156650, 161300, 186775, 194246, 200012, 209690, 250015, 313300, 373550, 388492, 388733, 419380, 485615, 500030, 524225, 650039, 747100, 777466, 971230, 1000060, 1048450, 1250075, 1300078, 1554932, 1942460, 1943665, 2096900, 2428075, 2500150, 2600156, 3250195, 3887330, 4856150, 5000300, 5053529, 6500390, 7774660, 9712300, 9718325, 10107058, 12050723, 13000780, 16250975, 19436650, 20214116, 24101446, 25267645, 32501950, 38873300, 48202892, 50535290, 60253615, 65003900, 101070580, 120507230, 126338225, 156659399, 241014460, 252676450, 301268075, 313318798, 505352900, 602536150, 626637596, 783296995, 1205072300, 1566593990, 3133187980, 3916484975, 7832969950, 15665939900]

約数ペア:

[(1, 15665939900), (2, 7832969950), (4, 3916484975), (5, 3133187980), (10, 1566593990), (13, 1205072300), (20, 783296995), (25, 626637596), (26, 602536150), (31, 505352900), (50, 313318798), (52, 301268075), (62, 252676450), (65, 241014460), (100, 156659399), (124, 126338225), (130, 120507230), (155, 101070580), (241, 65003900), (260, 60253615), (310, 50535290), (325, 48202892), (403, 38873300), (482, 32501950), (620, 25267645), (650, 24101446), (775, 20214116), (806, 19436650), (964, 16250975), (1205, 13000780), (1300, 12050723), (1550, 10107058), (1612, 9718325), (1613, 9712300), (2015, 7774660), (2410, 6500390), (3100, 5053529), (3133, 5000300), (3226, 4856150), (4030, 3887330), (4820, 3250195), (6025, 2600156), (6266, 2500150), (6452, 2428075), (7471, 2096900), (8060, 1943665), (8065, 1942460), (10075, 1554932), (12050, 1300078), (12532, 1250075), (14942, 1048450), (15665, 1000060), (16130, 971230), (20150, 777466), (20969, 747100), (24100, 650039), (29884, 524225), (31330, 500030), (32260, 485615), (37355, 419380), (40300, 388733), (40325, 388492), (41938, 373550), (50003, 313300), (62660, 250015), (74710, 209690), (78325, 200012), (80650, 194246), (83876, 186775), (97123, 161300), (100006, 156650), (104845, 149420)]