21440923920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{120563}}^1$

素因数の和:120614

約数の個数: 240

約数和(自身を含む): 81626650560

約数和(自身を除く): 60185726640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 120563, 177840, 241126, 361689, 482252, 602815, 723378, 964504, 1085067, 1205630, 1446756, 1567319, 1808445, 1929008, 2170134, 2290697, 2411260, 2893512, 3134638, 3616890, 4340268, 4581394, 4701957, 4822520, 5425335, 5787024, 6269276, 6872091, 7233780, 7836595, 8680536, 9162788, 9403914, 9645040, 10850670, 11453485, 12538552, 13744182, 14105871, 14467560, 15673190, 17361072, 18325576, 18807828, 20616273, 21701340, 22906970, 23509785, 25077104, 27488364, 28211742, 28935120, 29779061, 31346380, 34360455, 36651152, 37615656, 41232546, 43402680, 45813940, 47019570, 54976728, 56423484, 59558122, 62692760, 68720910, 70529355, 75231312, 82465092, 86805360, 89337183, 91627880, 94039140, 103081365, 109953456, 112846968, 119116244, 125385520, 137441820, 141058710, 148895305, 164930184, 178674366, 183255760, 188078280, 206162730, 225693936, 238232488, 268011549, 274883640, 282117420, 297790610, 329860368, 357348732, 376156560, 412325460, 446685915, 476464976, 536023098, 549767280, 564234840, 595581220, 714697464, 824650920, 893371830, 1072046196, 1128469680, 1191162440, 1340057745, 1429394928, 1649301840, 1786743660, 2144092392, 2382324880, 2680115490, 3573487320, 4288184784, 5360230980, 7146974640, 10720461960, 21440923920]

約数ペア:

[(1, 21440923920), (2, 10720461960), (3, 7146974640), (4, 5360230980), (5, 4288184784), (6, 3573487320), (8, 2680115490), (9, 2382324880), (10, 2144092392), (12, 1786743660), (13, 1649301840), (15, 1429394928), (16, 1340057745), (18, 1191162440), (19, 1128469680), (20, 1072046196), (24, 893371830), (26, 824650920), (30, 714697464), (36, 595581220), (38, 564234840), (39, 549767280), (40, 536023098), (45, 476464976), (48, 446685915), (52, 412325460), (57, 376156560), (60, 357348732), (65, 329860368), (72, 297790610), (76, 282117420), (78, 274883640), (80, 268011549), (90, 238232488), (95, 225693936), (104, 206162730), (114, 188078280), (117, 183255760), (120, 178674366), (130, 164930184), (144, 148895305), (152, 141058710), (156, 137441820), (171, 125385520), (180, 119116244), (190, 112846968), (195, 109953456), (208, 103081365), (228, 94039140), (234, 91627880), (240, 89337183), (247, 86805360), (260, 82465092), (285, 75231312), (304, 70529355), (312, 68720910), (342, 62692760), (360, 59558122), (380, 56423484), (390, 54976728), (456, 47019570), (468, 45813940), (494, 43402680), (520, 41232546), (570, 37615656), (585, 36651152), (624, 34360455), (684, 31346380), (720, 29779061), (741, 28935120), (760, 28211742), (780, 27488364), (855, 25077104), (912, 23509785), (936, 22906970), (988, 21701340), (1040, 20616273), (1140, 18807828), (1170, 18325576), (1235, 17361072), (1368, 15673190), (1482, 14467560), (1520, 14105871), (1560, 13744182), (1710, 12538552), (1872, 11453485), (1976, 10850670), (2223, 9645040), (2280, 9403914), (2340, 9162788), (2470, 8680536), (2736, 7836595), (2964, 7233780), (3120, 6872091), (3420, 6269276), (3705, 5787024), (3952, 5425335), (4446, 4822520), (4560, 4701957), (4680, 4581394), (4940, 4340268), (5928, 3616890), (6840, 3134638), (7410, 2893512), (8892, 2411260), (9360, 2290697), (9880, 2170134), (11115, 1929008), (11856, 1808445), (13680, 1567319), (14820, 1446756), (17784, 1205630), (19760, 1085067), (22230, 964504), (29640, 723378), (35568, 602815), (44460, 482252), (59280, 361689), (88920, 241126), (120563, 177840)]