15709947500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 180

約数和(自身を含む): 38305125936

約数和(自身を除く): 22595178436

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 503, 620, 625, 650, 775, 806, 961, 1006, 1250, 1300, 1550, 1612, 1625, 1922, 2012, 2015, 2500, 2515, 3100, 3250, 3844, 3875, 4030, 4805, 5030, 6500, 6539, 7750, 8060, 8125, 9610, 10060, 10075, 12493, 12575, 13078, 15500, 15593, 16250, 19220, 19375, 20150, 24025, 24986, 25150, 26156, 31186, 32500, 32695, 38750, 40300, 48050, 49972, 50300, 50375, 62372, 62465, 62875, 65390, 77500, 77965, 96100, 100750, 120125, 124930, 125750, 130780, 155930, 163475, 201500, 202709, 240250, 249860, 251500, 251875, 311860, 312325, 314375, 326950, 389825, 405418, 480500, 483383, 503750, 600625, 624650, 628750, 653900, 779650, 810836, 817375, 966766, 1007500, 1013545, 1201250, 1249300, 1257500, 1559300, 1561625, 1634750, 1933532, 1949125, 2027090, 2402500, 2416915, 3123250, 3269500, 3898250, 4054180, 4086875, 4833830, 5067725, 6246500, 6283979, 7796500, 7808125, 8173750, 9667660, 9745625, 10135450, 12084575, 12567958, 15616250, 16347500, 19491250, 20270900, 24169150, 25135916, 25338625, 31232500, 31419895, 38982500, 48338300, 50677250, 60422875, 62839790, 101354500, 120845750, 125679580, 126693125, 157099475, 241691500, 253386250, 302114375, 314198950, 506772500, 604228750, 628397900, 785497375, 1208457500, 1570994750, 3141989500, 3927486875, 7854973750, 15709947500]

約数ペア:

[(1, 15709947500), (2, 7854973750), (4, 3927486875), (5, 3141989500), (10, 1570994750), (13, 1208457500), (20, 785497375), (25, 628397900), (26, 604228750), (31, 506772500), (50, 314198950), (52, 302114375), (62, 253386250), (65, 241691500), (100, 157099475), (124, 126693125), (125, 125679580), (130, 120845750), (155, 101354500), (250, 62839790), (260, 60422875), (310, 50677250), (325, 48338300), (403, 38982500), (500, 31419895), (503, 31232500), (620, 25338625), (625, 25135916), (650, 24169150), (775, 20270900), (806, 19491250), (961, 16347500), (1006, 15616250), (1250, 12567958), (1300, 12084575), (1550, 10135450), (1612, 9745625), (1625, 9667660), (1922, 8173750), (2012, 7808125), (2015, 7796500), (2500, 6283979), (2515, 6246500), (3100, 5067725), (3250, 4833830), (3844, 4086875), (3875, 4054180), (4030, 3898250), (4805, 3269500), (5030, 3123250), (6500, 2416915), (6539, 2402500), (7750, 2027090), (8060, 1949125), (8125, 1933532), (9610, 1634750), (10060, 1561625), (10075, 1559300), (12493, 1257500), (12575, 1249300), (13078, 1201250), (15500, 1013545), (15593, 1007500), (16250, 966766), (19220, 817375), (19375, 810836), (20150, 779650), (24025, 653900), (24986, 628750), (25150, 624650), (26156, 600625), (31186, 503750), (32500, 483383), (32695, 480500), (38750, 405418), (40300, 389825), (48050, 326950), (49972, 314375), (50300, 312325), (50375, 311860), (62372, 251875), (62465, 251500), (62875, 249860), (65390, 240250), (77500, 202709), (77965, 201500), (96100, 163475), (100750, 155930), (120125, 130780), (124930, 125750)]