223866540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 725306400

約数和(自身を除く): 501439860

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, 149, 153, 170, 180, 204, 255, 298, 306, 340, 447, 491, 510, 596, 612, 745, 765, 894, 982, 1020, 1341, 1473, 1490, 1530, 1788, 1964, 2235, 2455, 2533, 2682, 2946, 2980, 3060, 4419, 4470, 4910, 5066, 5364, 5892, 6705, 7365, 7599, 8347, 8838, 8940, 9820, 10132, 12665, 13410, 14730, 15198, 16694, 17676, 22095, 22797, 25041, 25330, 26820, 29460, 30396, 33388, 37995, 41735, 44190, 45594, 50082, 50660, 73159, 75123, 75990, 83470, 88380, 91188, 100164, 113985, 125205, 146318, 150246, 151980, 166940, 219477, 227970, 250410, 292636, 300492, 365795, 375615, 438954, 455940, 500820, 658431, 731590, 751230, 877908, 1097385, 1243703, 1316862, 1463180, 1502460, 2194770, 2487406, 2633724, 3292155, 3731109, 4389540, 4974812, 6218515, 6584310, 7462218, 11193327, 12437030, 13168620, 14924436, 18655545, 22386654, 24874060, 37311090, 44773308, 55966635, 74622180, 111933270, 223866540]

約数ペア:

[(1, 223866540), (2, 111933270), (3, 74622180), (4, 55966635), (5, 44773308), (6, 37311090), (9, 24874060), (10, 22386654), (12, 18655545), (15, 14924436), (17, 13168620), (18, 12437030), (20, 11193327), (30, 7462218), (34, 6584310), (36, 6218515), (45, 4974812), (51, 4389540), (60, 3731109), (68, 3292155), (85, 2633724), (90, 2487406), (102, 2194770), (149, 1502460), (153, 1463180), (170, 1316862), (180, 1243703), (204, 1097385), (255, 877908), (298, 751230), (306, 731590), (340, 658431), (447, 500820), (491, 455940), (510, 438954), (596, 375615), (612, 365795), (745, 300492), (765, 292636), (894, 250410), (982, 227970), (1020, 219477), (1341, 166940), (1473, 151980), (1490, 150246), (1530, 146318), (1788, 125205), (1964, 113985), (2235, 100164), (2455, 91188), (2533, 88380), (2682, 83470), (2946, 75990), (2980, 75123), (3060, 73159), (4419, 50660), (4470, 50082), (4910, 45594), (5066, 44190), (5364, 41735), (5892, 37995), (6705, 33388), (7365, 30396), (7599, 29460), (8347, 26820), (8838, 25330), (8940, 25041), (9820, 22797), (10132, 22095), (12665, 17676), (13410, 16694), (14730, 15198)]