9987071940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{20023}}^1$

素因数の和:20218

約数の個数: 144

約数和(自身を含む): 32274523008

約数和(自身を除く): 22287451068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 163, 170, 180, 204, 255, 306, 326, 340, 489, 510, 612, 652, 765, 815, 978, 1020, 1467, 1530, 1630, 1956, 2445, 2771, 2934, 3060, 3260, 4890, 5542, 5868, 7335, 8313, 9780, 11084, 13855, 14670, 16626, 20023, 24939, 27710, 29340, 33252, 40046, 41565, 49878, 55420, 60069, 80092, 83130, 99756, 100115, 120138, 124695, 166260, 180207, 200230, 240276, 249390, 300345, 340391, 360414, 400460, 498780, 600690, 680782, 720828, 901035, 1021173, 1201380, 1361564, 1701955, 1802070, 2042346, 3063519, 3263749, 3403910, 3604140, 4084692, 5105865, 6127038, 6527498, 6807820, 9791247, 10211730, 12254076, 13054996, 15317595, 16318745, 19582494, 20423460, 29373741, 30635190, 32637490, 39164988, 48956235, 55483733, 58747482, 61270380, 65274980, 97912470, 110967466, 117494964, 146868705, 166451199, 195824940, 221934932, 277418665, 293737410, 332902398, 499353597, 554837330, 587474820, 665804796, 832255995, 998707194, 1109674660, 1664511990, 1997414388, 2496767985, 3329023980, 4993535970, 9987071940]

約数ペア:

[(1, 9987071940), (2, 4993535970), (3, 3329023980), (4, 2496767985), (5, 1997414388), (6, 1664511990), (9, 1109674660), (10, 998707194), (12, 832255995), (15, 665804796), (17, 587474820), (18, 554837330), (20, 499353597), (30, 332902398), (34, 293737410), (36, 277418665), (45, 221934932), (51, 195824940), (60, 166451199), (68, 146868705), (85, 117494964), (90, 110967466), (102, 97912470), (153, 65274980), (163, 61270380), (170, 58747482), (180, 55483733), (204, 48956235), (255, 39164988), (306, 32637490), (326, 30635190), (340, 29373741), (489, 20423460), (510, 19582494), (612, 16318745), (652, 15317595), (765, 13054996), (815, 12254076), (978, 10211730), (1020, 9791247), (1467, 6807820), (1530, 6527498), (1630, 6127038), (1956, 5105865), (2445, 4084692), (2771, 3604140), (2934, 3403910), (3060, 3263749), (3260, 3063519), (4890, 2042346), (5542, 1802070), (5868, 1701955), (7335, 1361564), (8313, 1201380), (9780, 1021173), (11084, 901035), (13855, 720828), (14670, 680782), (16626, 600690), (20023, 498780), (24939, 400460), (27710, 360414), (29340, 340391), (33252, 300345), (40046, 249390), (41565, 240276), (49878, 200230), (55420, 180207), (60069, 166260), (80092, 124695), (83130, 120138), (99756, 100115)]