1440020400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13187}}^1$

素因数の和:13228

約数の個数: 240

約数和(自身を含む): 5677803264

約数和(自身を除く): 4237782864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 520, 525, 546, 560, 600, 624, 650, 700, 728, 780, 840, 910, 975, 1040, 1050, 1092, 1200, 1300, 1365, 1400, 1456, 1560, 1680, 1820, 1950, 2100, 2184, 2275, 2600, 2730, 2800, 3120, 3640, 3900, 4200, 4368, 4550, 5200, 5460, 6825, 7280, 7800, 8400, 9100, 10920, 13187, 13650, 15600, 18200, 21840, 26374, 27300, 36400, 39561, 52748, 54600, 65935, 79122, 92309, 105496, 109200, 131870, 158244, 171431, 184618, 197805, 210992, 263740, 276927, 316488, 329675, 342862, 369236, 395610, 461545, 514293, 527480, 553854, 632976, 659350, 685724, 738472, 791220, 857155, 923090, 989025, 1028586, 1054960, 1107708, 1200017, 1318700, 1371448, 1384635, 1476944, 1582440, 1714310, 1846180, 1978050, 2057172, 2215416, 2307725, 2400034, 2571465, 2637400, 2742896, 2769270, 3164880, 3428620, 3600051, 3692360, 3956100, 4114344, 4285775, 4430832, 4615450, 4800068, 5142930, 5274800, 5538540, 6000085, 6857240, 6923175, 7200102, 7384720, 7912200, 8228688, 8571550, 9230900, 9600136, 10285860, 11077080, 12000170, 12857325, 13714480, 13846350, 14400204, 15824400, 17143100, 18000255, 18461800, 19200272, 20571720, 22154160, 24000340, 25714650, 27692700, 28800408, 30000425, 34286200, 36000510, 36923600, 41143440, 48000680, 51429300, 55385400, 57600816, 60000850, 68572400, 72001020, 90001275, 96001360, 102858600, 110770800, 120001700, 144002040, 180002550, 205717200, 240003400, 288004080, 360005100, 480006800, 720010200, 1440020400]

約数ペア:

[(1, 1440020400), (2, 720010200), (3, 480006800), (4, 360005100), (5, 288004080), (6, 240003400), (7, 205717200), (8, 180002550), (10, 144002040), (12, 120001700), (13, 110770800), (14, 102858600), (15, 96001360), (16, 90001275), (20, 72001020), (21, 68572400), (24, 60000850), (25, 57600816), (26, 55385400), (28, 51429300), (30, 48000680), (35, 41143440), (39, 36923600), (40, 36000510), (42, 34286200), (48, 30000425), (50, 28800408), (52, 27692700), (56, 25714650), (60, 24000340), (65, 22154160), (70, 20571720), (75, 19200272), (78, 18461800), (80, 18000255), (84, 17143100), (91, 15824400), (100, 14400204), (104, 13846350), (105, 13714480), (112, 12857325), (120, 12000170), (130, 11077080), (140, 10285860), (150, 9600136), (156, 9230900), (168, 8571550), (175, 8228688), (182, 7912200), (195, 7384720), (200, 7200102), (208, 6923175), (210, 6857240), (240, 6000085), (260, 5538540), (273, 5274800), (280, 5142930), (300, 4800068), (312, 4615450), (325, 4430832), (336, 4285775), (350, 4114344), (364, 3956100), (390, 3692360), (400, 3600051), (420, 3428620), (455, 3164880), (520, 2769270), (525, 2742896), (546, 2637400), (560, 2571465), (600, 2400034), (624, 2307725), (650, 2215416), (700, 2057172), (728, 1978050), (780, 1846180), (840, 1714310), (910, 1582440), (975, 1476944), (1040, 1384635), (1050, 1371448), (1092, 1318700), (1200, 1200017), (1300, 1107708), (1365, 1054960), (1400, 1028586), (1456, 989025), (1560, 923090), (1680, 857155), (1820, 791220), (1950, 738472), (2100, 685724), (2184, 659350), (2275, 632976), (2600, 553854), (2730, 527480), (2800, 514293), (3120, 461545), (3640, 395610), (3900, 369236), (4200, 342862), (4368, 329675), (4550, 316488), (5200, 276927), (5460, 263740), (6825, 210992), (7280, 197805), (7800, 184618), (8400, 171431), (9100, 158244), (10920, 131870), (13187, 109200), (13650, 105496), (15600, 92309), (18200, 79122), (21840, 65935), (26374, 54600), (27300, 52748), (36400, 39561)]