89191960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 243855360

約数和(自身を除く): 154663400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 503, 520, 572, 620, 682, 715, 806, 1006, 1144, 1240, 1364, 1430, 1612, 1705, 2012, 2015, 2515, 2728, 2860, 3224, 3410, 4024, 4030, 4433, 5030, 5533, 5720, 6539, 6820, 8060, 8866, 10060, 11066, 13078, 13640, 15593, 16120, 17732, 20120, 22132, 22165, 26156, 27665, 31186, 32695, 35464, 44264, 44330, 52312, 55330, 62372, 65390, 71929, 77965, 88660, 110660, 124744, 130780, 143858, 155930, 171523, 177320, 202709, 221320, 261560, 287716, 311860, 343046, 359645, 405418, 575432, 623720, 686092, 719290, 810836, 857615, 1013545, 1372184, 1438580, 1621672, 1715230, 2027090, 2229799, 2877160, 3430460, 4054180, 4459598, 6860920, 8108360, 8919196, 11148995, 17838392, 22297990, 44595980, 89191960]

約数ペア:

[(1, 89191960), (2, 44595980), (4, 22297990), (5, 17838392), (8, 11148995), (10, 8919196), (11, 8108360), (13, 6860920), (20, 4459598), (22, 4054180), (26, 3430460), (31, 2877160), (40, 2229799), (44, 2027090), (52, 1715230), (55, 1621672), (62, 1438580), (65, 1372184), (88, 1013545), (104, 857615), (110, 810836), (124, 719290), (130, 686092), (143, 623720), (155, 575432), (220, 405418), (248, 359645), (260, 343046), (286, 311860), (310, 287716), (341, 261560), (403, 221320), (440, 202709), (503, 177320), (520, 171523), (572, 155930), (620, 143858), (682, 130780), (715, 124744), (806, 110660), (1006, 88660), (1144, 77965), (1240, 71929), (1364, 65390), (1430, 62372), (1612, 55330), (1705, 52312), (2012, 44330), (2015, 44264), (2515, 35464), (2728, 32695), (2860, 31186), (3224, 27665), (3410, 26156), (4024, 22165), (4030, 22132), (4433, 20120), (5030, 17732), (5533, 16120), (5720, 15593), (6539, 13640), (6820, 13078), (8060, 11066), (8866, 10060)]